You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I have some personal matters that need fixing so I need to cancel my recent reservation. Can you please help?

ASSISTANT: Sure, wait for a moment. May I know your good name?

USER: My name is Paul Williams.

ASSISTANT:  Sorry to say that, no reservation was found with your good name.

USER: That's not a problem. Thanks for your service.

ASSISTANT: Thanks for choosing us.