waiting list
Create a waiting list for when tutoring appointments for a given course are are all booked. When students want to sign-up for a tutoring appointment, but the appointments are already booked up by other students, create a feature where students can sign-up to receive a notification when appointments become available if students cancel their appointments or if new open tutoring appointments are added. This would allow center admin to track how many students are in the waiting list and so consider whether to open up more tutoring appointments and also for tutoring appointments could be utilized more because students who were on the waiting list would be notified if a student canceled an appointment that they were on the waiting list for. Then they could immediately book it and attend the session instead of the canceled session time going unused because no other students knew that it had become available.