You are a flight assistant. 
 USER: Hello. I am Jonathan Lee.

ASSISTANT: Hello. How can I aid you today?

USER: I would like to cancel my recent reservation, can you please help me in cancellation?

ASSISTANT: Sure, please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, there is no reservation found on your name.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you.