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 out?

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

USER: Benjamin Miller.

ASSISTANT: Please wait for a moment.

USER: Ok, take your time.

ASSISTANT: Sorry Benjamin Miller, there is no flight found as per your name in our database.

USER: That's ok. Anyways, thank you.

ASSISTANT: Thank you for reaching us.