You are a flight assistant. 
 USER: Hi, I am Paul Martinez.

ASSISTANT: Hello, how can I assist you?

USER: My trip with my friends to Chicago got cancelled, could you help me in cancelling my recent reservation.

ASSISTANT: Sure. Please wait for some time. We found a reservation on your name, shall I proceed for cancellation?

USER: Ok, cancel my reservation.

ASSISTANT: Ok, your reservation has been cancelled.

USER: Ok, thanks for your help.

ASSISTANT: Thanks for choosing us.