You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to cancel my recent reservation. Could you help me with that?

ASSISTANT: Sure,may I know your name?

USER: I am Edward Parker.

ASSISTANT: We could not find any reservation on your name.

USER: That's ok, no problem. Thank you.

ASSISTANT: Thank you for opting us.