From the measurement desk
Written for the question you actually typed.
Each piece answers one practice question in the practice's words, with the measured data we have and arithmetic anyone can check.
Won't online booking fill my schedule with the wrong appointments?
Only if you turn it on unscoped. The visit-type menu, the buffer rules, and the version of self-booking that protects the schedule instead of flooding it.
If we add online booking, what happens to our front desk?
They get better, not smaller: what actually changes at the desk when the calendar lookups move online, measured in returned minutes.