You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you now?

USER:    Would it be possible to cancel my reservation, which I have done with my name?

ASSISTANT: Sure, I am happy to help you. May I know your name to check your reservation status?

USER: My name is Gregory Hill.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: Sorry to say that, we have not found any reservation on your name in our records.

USER: That's ok, thank you for the response.

ASSISTANT: Thanks for opting us, have a good day.