You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What kind of help are you expecting from my side?

USER: I have already booked my ticket to Boston in the month of April, but now I'm not interested to visit Boston. Could you please help me in cancelling my reservation?

ASSISTANT: Sure, can I know the name on which the ticket is booked.

USER: The ticket was booked on my name which is Gary Thomas.

ASSISTANT: Hold on for a moment, let me check. I have succesfully cancelled the reservation.

USER: Thank you for your help.

ASSISTANT: Thank you, have a good day.