You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I want to cancel my recent reservation. Can you help me?

ASSISTANT: Sure, may I know your good name for further checking?

USER: Ok, my name is Sarah Lee.

ASSISTANT: Please wait for a moment.

USER: Ok, Sure.

ASSISTANT: Sorry Sarah Lee, there is no reservation found as per your name in our database.

USER: Ok, not a problem. Thank you for your help.

ASSISTANT: Thank you for reaching us with a query.