You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I have cancelled all my plans due to insufficient time, can you please help me to cancel my recent reservation?

ASSISTANT: Sure, may I know your name?

USER: I'm Carolyn Thompson.

ASSISTANT: Carolyn, I did not found any reservations with your name.

USER: Ok, fine. Thank you for your help.

ASSISTANT: It's my pleasure Carolyn.