You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I want to cancel my trip to New York, can you please help me in cancellation?

ASSISTANT: Ok, may I know your good name for cancellation?

USER: I am Nancy Green.

ASSISTANT: Please wait I will  check revert you in a moment.

USER: Ok.

ASSISTANT: We found reservation on your name and it is being cancelled on your request.

USER: Ok. Thank you for cancelling my reservation.

ASSISTANT:  Thank you for availing us.