= UseCase13 - Confirm a finished appointment
** Initiating actor: !VetClinic ** 
== Description
After the scheduled appointment time has passed, the system prompts the clinic to confirm the outcome of the appointment.
The clinic staff must choose one of the outcomes: DONE (completed) or NO_SHOW (client did not attend). The system updates the appointment status accordingly.
== Scenario
1. Clicks on the pop-up.