You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you?

USER: I need to cancel my recent reservation, can you please help me?

ASSISTANT: Sure. May I know your name please?

USER: Myself Jonathan Hill.

ASSISTANT: Wait for a moment please.

USER: Sure, I will be waiting.

ASSISTANT: I have searched online but I could not find your flight reservation to cancel it.

USER: That's ok, thank you for searching my details.

ASSISTANT: Thank you.