You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

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

ASSISTANT: Ok, may I know your name to check your reservation?

USER: Susan Evans here.

ASSISTANT: Sorry, there is no reservation found on your name to cancel it.

USER: That's ok, no problem.

ASSISTANT: Thanks for consulting us.

USER: Thank you.