You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Gary Carter here. Please help me out in cancelling my recent reservation.

ASSISTANT: Sure Carter, I am here to help you. Let me check your reservation status in our records.

USER: Ok.

ASSISTANT: I have found a reservation on your name and I have cancelled.

USER: Thank you for your help.

ASSISTANT: You are welcome.