You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you now?

USER: Owning to an emergency I want to cancel my recent reservation. Can you please help me with this?

ASSISTANT: Sure, I am glad to help you with that. May I know your good name to check your reservation status?

USER: My name is David Lewis.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry to say that, we have not found any active reservation on your name in our records.

USER: Ok, no problem. Thank you for checking.

ASSISTANT: Thank you for reaching us.