You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

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

ASSISTANT: Sure, I am here to help you with that.

USER: Thank you.

ASSISTANT: May I know your name for checking your previous reservation in our database?

USER: I am Kenneth Williams.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry to inform you that, there is no reservation found as per your name in our database.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us with a query.

USER: Thank you for checking.