You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: My name is Paul Mitchell. I would like to cancel my reservation due to personal reasons, could you help me out?

ASSISTANT: Sure, I will help you to cancel your reservation.

USER: Ok.

ASSISTANT: Please give me a moment.

USER: Sure, take your time.

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

USER: That's ok. Thank you.

ASSISTANT: Welcome, have a nice day.