Booking Cancellation Notification
If you have already sent the tag for cancellation link and the user has clicked on that to cancel a booking, this email will be sent after cancellation has completed successfully.
Keep in mind that cancellation link is in Booking Confirmation tab and is subject to your customization.
In order to manage this section you need to use the tags that are provided at the end of each section; you can send a cc of this email to the organizer as well. Other features of this option include the ability to send custom emails and using HTML tags.