a) Reminder for Admin : If new booking is not accepted within 30 minutes Admin will get the reminder message on his register email after 30 minutes of new booking received.
b) Reminder for Client : First client will get the confirmation email of his recent booking, he will notify as his booking accepted by admin and get the reminder before slot. Client has a freedom to set reminder notification time according to his/her choice. Click on profile icon then go to settings tab then click on Notification bar then select the Reminder Notification before time according to you.