Recipes / Sales
SMS booking agent with lead follow-ups
Customers text a Twilio number; an AI agent checks Cal.com availability and books, reschedules or cancels. A daily job finds interested leads who never booked and sends a personalised follow-up, logging each one to avoid over-messaging.
App vs bot, side by side
| Old app / habit | Bot | |
|---|---|---|
| Tool | Receptionist/manual texting + scheduling app | n8n agent + Twilio SMS + Cal.com + Airtable + OpenAI |
| Monthly cost | Not reported | Not reported (Twilio, OpenAI and Cal.com usage) |
| Setup | None (already in use) | Not reported · Advanced |
| Your time | Baseline | Not reported |
| Maintenance | Handled by vendor/you as before | Watch SMS costs and opt-out rules; swap Airtable for your CRM if needed. |
| Privacy | Data stays with the app vendor | Customer phone numbers and messages pass through Twilio, OpenAI and Airtable. |
Full comparison
| Replaces | Receptionist/manual texting + scheduling app |
|---|---|
| Bot / agent stack | n8n agent + Twilio SMS + Cal.com + Airtable + OpenAI |
| Monthly cost before | Not reported |
| Monthly cost after | Not reported (Twilio, OpenAI and Cal.com usage) |
| Setup time | Not reported |
| Time saved | Not reported |
| Skill level | Advanced |
| Reliability | 3/5: template with anti-spam logging for follow-ups; no long-term data, and automated SMS follow-ups need consent. |
| Maintenance | Watch SMS costs and opt-out rules; swap Airtable for your CRM if needed. |
| Privacy & data | Customer phone numbers and messages pass through Twilio, OpenAI and Airtable. |
| Best for | Local service businesses that get texts |
| Not for | Businesses without SMS consent processes |
Pros and cons
Pros
- Works over plain SMS
- Re-engages leads who didn't book
- Logs follow-ups to limit messages
Cons
- Four paid services to wire up
- SMS marketing rules vary by country
How it works
- Customer texts Twilio number
- Log number in Airtable
- Agent replies and checks Cal.com
- Book, reschedule or cancel
- Daily: find unbooked leads
- Send personalised follow-up and log it
Source and evidence
n8n template by Jimleuk (updated about 8 months before our check).
Read the original n8n template source ↗
“Not reported” means the source doesn't say. We never fill gaps with guesses. Numbers marked “per author” or “vendor claim” are the source's own and weren't independently tested. Source re-checked 2026-10-16.
Our rating is an editorial opinion based on the public source above, not lab testing. Spot an error? Request a correction.
Plain-text summary (for search and AI assistants)
SMS booking agent with lead follow-ups. Replaces Receptionist/manual texting + scheduling app with n8n agent + Twilio SMS + Cal.com + Airtable + OpenAI. Cost before: Not reported. Cost after: Not reported (Twilio, OpenAI and Cal.com usage). Setup: Not reported, Advanced. Time saved: Not reported. Reliability 3/5: 3/5: template with anti-spam logging for follow-ups; no long-term data, and automated SMS follow-ups need consent. Best for: Local service businesses that get texts. Not for: Businesses without SMS consent processes. Source: https://n8n.io/workflows/2342-handling-appointment-leads-and-follow-up-with-twilio-calcom-and-ai/
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