*Execution = One time only
*Booking Status = Cancelled
===Automatically change the status of all bookings which have been imported from Ical to "Request"===
Booking changes are applied before the mail is sent.
===Automatically set a flag for a booking coming from a certain channel===
Booking changes are applied before the mail is sent so that the flag template variable can be reflected in the email.
===Automatically send an Email to the guest when the status of a booking changes to "Cancelled"===