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AI automation

Automated meeting-confirmation system

A show-rate machine built on n8n and Retell AI: every booking gets instant confirmations, a halfway reminder, and an AI confirmation call an hour before the meeting, with reschedules synced in real time.

n8nRetell AICal.comTwilioGoogle Sheets
n8n · post-call confirmation handling
Post-call workflow that updates the booking database from the confirmation call's analysis
n8n · pre-meeting confirmation call
The pre-meeting call workflow: filters, timing checks, and the outbound voice call
n8n · in-call reschedule function
The reschedule function the voice agent calls mid-conversation
n8n · the show-rate system
The system's workflows in the n8n project folder

The problem

No-shows quietly kill a calendar-driven business. A booking two weeks out is a promise easily forgotten, and manually chasing confirmations does not scale.

Reminder emails alone get ignored; what moves show rate is a real touch shortly before the meeting.

What we built

When a booking comes in via Cal.com, the system logs it, sends instant SMS and email confirmations, and follows up with a reminder at the halfway point. An hour before the meeting, an outbound voice agent calls to confirm attendance, offers to reschedule if they cannot make it, and falls back to SMS if they do not pick up.

The voice agent has live tools behind it: it can check calendar availability, reschedule, or cancel mid-call through n8n function webhooks. Two-way SMS capture and auto-syncing keep every reply and reschedule reflected in the booking sheet in real time. Eleven workflows in total, each documented on the canvas.

The result

Three touches before every meeting, zero manual chasing

3

touchpoints before each meeting

11

n8n workflows behind one goal

1 hr

before the meeting, the agent calls

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