my roommate and I noticed that every time an user starts a session and picks a date this won't be available until the next day (midnight) even if they don't com

my roommate and I noticed that every time an user starts a session and picks a date this won't be available until the next day (midnight) even if they don't complete the procedure. This is a silly way to prevent collisions I think. My roommate made an appointment right after midnight and many slots were free again.