You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I need to cancel my reservation due to my planned programme got cancelled so please help me with cancelling my reservation.

ASSISTANT: Sure on which name can I cancel my reservation.

USER: Reservation has done on the name of James Moore.

ASSISTANT: Your reservation was canceled successfully. Have a nice day.

USER: Thank you for your help.