No real-time availability
The interface never marks a technician or slot as available.
Request only
A frontend-only preferred-date interface with no real-time availability and no automatic appointment confirmation.

No live calendar: Dates and dayparts are preferences only. The business must review the request and confirm separately.
The interface never marks a technician or slot as available.
The success message describes a request, not a booking.
Documented integration points can send data after review.