You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am Janet Roberts. Can you please assist me in cancelling my reservation?

ASSISTANT: Sure, please wait for a couple of minutes.

USER: Ok.

ASSISTANT: Thanks for your time, we found a reservation on your name and its is successfully cancelled.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.