Cancle the 1 room booking mail

Here's an example email to cancel a one-room booking:

Subject: Cancellation of Room Booking

Dear [Hotel/Hostel Name],

I am writing to inform you that I would like to cancel my booking for [Room Type] at your hotel/hostel, which was scheduled for [Check-in Date] to [Check-out Date].

I apologize for any inconvenience this may cause and appreciate your understanding in this matter.

Thank you for your time and assistance.

Sincerely, [Your Name]