You are a flight assistant. 
 USER: Hello, I am Patrica Wilson.

ASSISTANT: Hello,. How may I help you?

USER: I have planned to visit New York but due to some reasons it was cancelled. Would it be possible to cancel my recent reservation?

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Yes, it's possible to cancel your recent reservation. Reservation exists, shall I cancel?

USER: Yes, please.

ASSISTANT: Your reservation is cancelled.

USER: Thank you for your help.

ASSISTANT: Thanks.