No-show and late arrival alerts

Purpose

1.1. Automatically alert staff and customers about reservation no-shows or late arrivals to optimize table usage, reduce downtime, enhance guest experience, and maintain an efficient order and reservation flow.
1.2. Ensure actionable communication for missed or delayed arrivals, minimize financial loss, and collect feedback for future scheduling accuracy.
1.3. Integrate real-time monitoring and notifications across SMS, email, phone, and messaging apps for flexible response by location managers.

Trigger Conditions

2.1. Reservation not checked in within preset window (e.g., 10 minutes after booked time).
2.2. Negative staff status update (e.g., "guest not arrived").
2.3. Customer-reported delay via self-service portal or call.
2.4. System log comparison of reservation time vs. current time with zero order activity.
2.5. Input from integrated POS or table management system indicating empty assigned table.

Platform Variants

3.1. Twilio SMS
- API Used: Programmable Messaging API
- Sample: Configure outbound SMS to manager and guest if late-arrival detected.

3.2. SendGrid
- API Used: Mail Send
- Sample: Set automated email notification for both guest and reservation desk.

3.3. Slack
- API Used: chat.postMessage
- Sample: Auto-alert to a private channel for front-of-house staff.

3.4. Microsoft Teams
- API Used: Incoming Webhook
- Sample: Push message to team channel tagging the shift supervisor.

3.5. WhatsApp Business
- API Used: Business Messaging API
- Sample: Send no-show alert directly to customer via WhatsApp.

3.6. Telegram
- API Used: sendMessage
- Sample: Alert restaurant owner or manager in a designated group.

3.7. Voice Call via Twilio
- API Used: Programmable Voice
- Sample: Place automated reminder/alert call to customer.

3.8. Google Calendar
- API Used: Events API
- Sample: Add or update event notes stating "No-show" for analytics.

3.9. Zapier
- Feature: Webhooks by Zapier
- Sample: Trigger automated routines for notifications and rescheduling.

3.10. OneSignal
- API Used: Notifications API
- Sample: Push mobile alerts to staff app regarding late arrival.

3.11. Pusher
- API Used: Channels
- Sample: Real-time update to in-store dashboard of reservation status.

3.12. Outlook
- API Used: SendMail
- Sample: Generate instant email notifications to managers and reception.

3.13. Salesforce
- API Used: Apex REST API
- Sample: Create no-show case/task for CRM follow-up.

3.14. HubSpot
- API Used: Engagements API
- Sample: Log interaction and trigger nurture workflow for future booking.

3.15. Freshdesk
- API Used: Tickets API
- Sample: Open support ticket for chronic no-shows or late arrivals.

3.16. Mailchimp
- API Used: Campaigns API
- Sample: Add guests to reminder/feedback sequence after no-show.

3.17. ActiveCampaign
- API Used: Automations
- Sample: Trigger targeted re-engagement email.

3.18. Viber
- API Used: Messaging API
- Sample: Send vibrant alert message to customer or staff group.

3.19. Plivo
- API Used: SMS API
- Sample: Deliver delay or no-show notification to guest mobile.

3.20. Google Sheets
- API Used: Sheets API
- Sample: Log each no-show/late incident in real-time for KPI tracking.

3.21. Discord
- API Used: Webhook
- Sample: Notify team via direct Discord channel alert.

3.22. PagerDuty
- API Used: Events API v2
- Sample: Escalate unresolved no-show cases to management.

3.23. Smartsheet
- API Used: Sheets API
- Sample: Update shared reservation matrix instantly for operational awareness.

Benefits

4.1. Maximizes occupancy and reduces revenue loss by fast reassignments.
4.2. Enhances service accuracy and executive oversight with visible audit trail.
4.3. Boosts guest satisfaction using proactive, multi-channel communication.
4.4. Improves analytics by logging late and missed reservations for historical trends.
4.5. Reduces manual effort and operational confusion through streamlined alerts.