You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jonathan Lee.

ASSISTANT: How can I serve you today?

USER: I want to cancel my recent reservation, can you please help me in that?

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Unfortunately we did not find any reservation on your given name in our records.

USER: Ok, That's not a problem.

ASSISTANT: Thank you.

USER: Thanks for your information.