You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: I want to cancel my recent reservation because of some personal work, can you please help me out?

ASSISTANT: Sure, I will help you with that. Please wait for a minute.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: Sure, my name is Paul Wilson.

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

USER: Ok, no problem.

ASSISTANT: Thank you for contacting us.

USER: Thank you for your information.