You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: I want to cancel my recent reservation. Could you help me with that?

ASSISTANT: Sure, I am glad to help you with that. Can I know your name to check your previous reservation?

USER: Debra Wright.

ASSISTANT: Please be on hold.

USER: Ok.

ASSISTANT: We regret to inform you that, there is no reservation found on your name in our reservation list.

USER: That's ok, no problem. Thank you.

ASSISTANT: Thank you for approaching us, hope you have a great day.