You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello,. How can I amend you today?

USER: I want to cancel my recent reservation which is with the name Stephen Young.

ASSISTANT: Ok.

USER: Please help me out.

ASSISTANT: Sure, we are here to assist you. Please, wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting, there is no reservation found on the name Stephen Young.

USER: That's fine.

ASSISTANT: Thank you for opting us.

USER: Thank you.