You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I just want to cancel my recent reservation, as my NBA play offs match has been cancelled. Please cancel my reservation on the name of Cynthia Carter.

ASSISTANT: Sure, I am here to help you. Please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for being with patience. I regret that there is no reservation found on your name.

USER: No problem, thanks for your support.

ASSISTANT: Thank you for choosing us, have a good day.