slotnoun
A free moment kept in a schedule to do something.
cancellationnoun
The act of cancelling something that was planned.
front desknoun
The office that answers the phone and handles appointments.
secrétariatfront desk
Hello, I'd like to speak to the doctor's front desk, please.
créneauslot
Do you have any slots free next week?
annulationcancellation
If there's a cancellation, I can come right away.