You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to cancel my recent reservation, can you please help me out?

ASSISTANT: Sure, can you share your name  please to check further?

USER: Thank you, my name is James Collins.

ASSISTANT: Reservation on your number found, are you sure to cancel it?

USER: Yes, please cancel my reservation.

ASSISTANT: Your reservation is successfully cancelled.

USER: Thanks a lot for your quick service.

ASSISTANT: Thank you for opting us.