You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I need to cancel my recent reservation.

ASSISTANT: OK, may I know your name please?

USER: Yes, my name is Jason Nelson.

ASSISTANT: Sorry, to inform we did not find your name in the list.

USER: OK, Thanks for your information.

ASSISTANT: Thanks for waiting, have a happy day.