Why start with drains rather than emergencies?

Because a drain needs a date and an emergency needs a decision. Automating the routine work frees the phone for the calls that genuinely need somebody, which is the opposite of the usual instinct.

What stops it double-booking?

It checks appointments already made and the busy times on a calendar you have connected before offering anything, and the slot it holds is as long as you said that job takes.

Can it tell a slow drain from one that will not drain at all?

Not reliably, and it does not try. Both are in the list, the caller's own words stay on the lead, and whoever rings back or turns up decides which job it is.

What if somebody needs to change the appointment?

They reply to the reminder and a person moves it. The assistant cannot change a booking and does not know a caller already has one.

Residential plumbing

Blocked drain calls, and the case for letting software book them

Seven words, none of them technical, and the job most worth handing to an assistant. Why this one is safe to automate when a burst pipe is not.

Written by Christopher Gillig, who files the carrier registrations behind these numbers and configures the assistants. Last reviewed September 16, 2026.

The short answer

A blocked drain is matched on seven everyday words, including both clog and clogged, because matching is literal rather than clever. It is the job most worth letting an assistant book by itself: high urgency, so the caller wants a date, and routine, so nothing is lost by offering one without a person. The reminder then asks for access under the sink or tank, which is what decides whether the visit was worth making.

The words that name this job

The real list, read from the configuration that matches on it.

blockedcloggedclogdrainslow drainwon't drainstanding water

Urgency by default: high
Reply target: 15 minutes
Somebody goes out: Yes

What this call is actually like

Seven words and not one of them is technical: blocked, clogged, clog, drain, slow drain, won't drain, standing water. Both clog and clogged are listed, because matching is literal and a caller who types one is not the caller who types the other.
Slow drain and won't drain are separate entries for the same reason, and they are also two genuinely different jobs: one is a Tuesday and the other is tonight. The words are close enough that only a person can tell them apart, which is why the caller's own phrasing is kept on the lead rather than summarised away.
This is the job to mark bookable first. It is high urgency, so the caller wants a date, and it needs no triage, so nothing is lost by an assistant offering one. The jobs worth automating are the routine ones, and the instinct to start with the dramatic ones is backwards.
The reminder for this trade asks for access under the sink or tank. A drain visit where nobody cleared the cupboard is a wasted hour that somebody pays for, and the message costs nothing to send the day before.

What happens, in order

A caller rings about a drain. Nobody picks up, because the crew is on a job.
If the assistant is on it answers, asks what is going on, and takes a name and a number to call back on.
Where this job is marked bookable, it checks the diary, offers times that are genuinely free, and books one for the length the job is set to take rather than a default hour.
The booking appears on the lead and in the calendar feed the business subscribes to.
A reminder goes out before the visit, asking for the access that makes it worth turning up to.

The messages around it

Real templates from this trade's pack, with a business name filled in exactly as they would send.

missed call textback

This is Redline Plumbing, sorry we missed your call. What is going on, and where are you? Reply here, or BOOK to book.

BOOK is offered in the first message rather than after a conversation, because a drain caller usually wants a date rather than a discussion.

appointment reminder

Redline Plumbing is booked for Tuesday at 9:00 AM. Please clear access under the sink or tank. Reply if anything changed.

Asks for the one thing that makes the visit possible, and invites a reply rather than a phone call, because the person who needs to change it is usually at work.

Questions

Why start with drains rather than emergencies?: Because a drain needs a date and an emergency needs a decision. Automating the routine work frees the phone for the calls that genuinely need somebody, which is the opposite of the usual instinct.
What stops it double-booking?: It checks appointments already made and the busy times on a calendar you have connected before offering anything, and the slot it holds is as long as you said that job takes.
Can it tell a slow drain from one that will not drain at all?: Not reliably, and it does not try. Both are in the list, the caller's own words stay on the lead, and whoever rings back or turns up decides which job it is.
What if somebody needs to change the appointment?: They reply to the reminder and a person moves it. The assistant cannot change a booking and does not know a caller already has one.

Every price is on the site

No quote and no sales call to find out what it costs. Creating the account and setting it up charges nothing: setup is billed when you submit your carrier registration, and the monthly charge starts when your number is live.

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