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 please help me out?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Please wait for a while. May I know your name please?

USER: Sure, my name is Paul Hill.

ASSISTANT: I am sorry to say that there is no reservation found.

USER: It's ok, thank you for the information.

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