You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be at your service today?

USER:  I want to cancel my reservation as my project got ramp down. Can you help me with that?

ASSISTANT: Sure, may I know your name please?

USER: I am Betty Moore.

ASSISTANT:  Sorry, there is no reservation matching with your name.

USER: Ok, no problem.

ASSISTANT: Thank you for choosing us.

USER: Thanks for the information.