You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I support you today?

USER: Can you please help me in cancelling my reservation?

ASSISTANT: Sure, can I know your name?

USER: I am Shirley Clark.

ASSISTANT: Ok, please wait. I will check the reservation on your name and get back to you.

USER: Ok.

ASSISTANT: We found a reservation on your name, shall I proceed to cancel?

USER: Yes, please proceed.

ASSISTANT: Your reservation has been cancelled.

USER: Thank you.

ASSISTANT: Thank you for choosing us.