You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ronald Parker.

ASSISTANT: How can I amend you?

USER: I want to cancel my reservation on which was booked to New York.

ASSISTANT: Sure. Please, wait.

USER: Sure.

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

USER: Thank you for informing me.

ASSISTANT: Thank you for approaching us.