Hello.
user
Hello, how may I help you?
assistant
 I need to cancel my recent existing reservation due to postpone of NBA playoff finals. Can you cancel my reservation?
user
Sure, may I know your name?
assistant
I am Matthew Martin.
user
Ok, please wait.
assistant
Ok.
user
Sorry, there is no reservation found on your name to cancel.
assistant
Ok, not an issue. Thanks for the wonderful service.
user
Thank you for approaching us, have a good day.
assistant