Restrict bookings on unavailable time

[rishabh-onehashai]

Found a bug? Please fill out the sections below. 👍

Issue Summary

On changing the time slot through url booking are happening for even those intervals which are not opened by user.

Actual Results

• The slots which are not opened by user are getting booked

Expected Results

• Ideally the slots which are not available should not get booked

Evidence

https://www.awesomescreenshot.com/video/29925265

[rishabh-onehashai]

@Arjun3492 Needs to be fixed on priority