You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

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

ASSISTANT: Sure, may I know your good name please?

USER: Jacob Lee.

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

USER: No problem, thanks for your information.

ASSISTANT: Thank you for approaching us.