You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Can you please help me to cancel my reservation?

ASSISTANT: Sure, I am here to assist you with that. May I know your name please?

USER: My name is Jeffery Mitchell.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: Jeffery Mitchell, we haven't found any reservation under your name in our database. Thank you for choosing us.

USER: Ok, not a problem. Thank you.