You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: I want to cancel my recent reservation, please help me with this?

ASSISTANT: Ok, I am here to help you with that. May I know your good name?

USER: George Evans.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: Sorry to say that, there is no reservation found on your name in our database.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for reaching us.