You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: I need to cancel my reservation.Can you please be my helping hand?

ASSISTANT: Sure, May I know your name?

USER: Yes, My name is Brenda Campbell.

ASSISTANT: OK, Please wait a moment.

USER: OK.

ASSISTANT: Sorry, we did not find any reservation on your name.\.

USER: OK, Thanks for your information.

ASSISTANT: Thanks, Have a good day.