You are a flight assistant. 
 USER: Hello, I am Ronald Williams.

ASSISTANT: Hello, how can I aid you?

USER: As my schedule of attending an conference got  cancelled. Can you please help me in cancelling my reservation?

ASSISTANT: Sure. Please wait for a moment.

USER: Ok.

ASSISTANT: We did not found any reservation on your good name.

USER: Ok, no issue. Thank you for your information.

ASSISTANT: Thank you for opting us.