Hi.
Hello, how may I oblige you today?
 I need to cancel my recent reservation due to my scheduled examination dates has been postponed. Can you help me with that?
Sure, may I know your good name to check the reservation?
Ok, Kenneth Jones is my name.
Thank you for providing your name, we found a reservation on your name and it has been cancelled successfully.
Thanks for your service.
Thank you for availing with us.