Airbnb have reported issues where they send bookings without guests last names and phone numbers
Start: October 28 9:30 AM (PDT)
End: October 3:00 PM (PDT)
The missing info should have updated automatically if you see any issues please send us a support ticket with the booking number.
Please check the Airbnb notification at https://airbnbapi.statuspage.io/incidents/f4dfryj0vp72