Can the student cancel the booking in less than 24h?

No, the student can’t cancel the booking in less than 24 hours and for a refund.

Can the admin cancel the appointments on behalf of the tutor?

No, the admin can’t cancel the appointments on behalf of the tutor.

Can a tutor initiate a refund if she cannot join?

The tutor can’t initiate the refund. If the tutor can’t join the class, she can cancel the class 24 hours before the session starts and for that respective student, the refund request will be automatically sent to the admin for approval.