You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Owing to an emergency, I want to cancel my reservation. Can you help me out?

ASSISTANT: May I know your good name please?

USER: Sure, my name is Jack Thompson.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: There is no reservation on your name.

USER: That's ok, thank you.

ASSISTANT: Thank you.