You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you today?

USER: I want to cancel my reservation as I am not feeling good to make a trip. Can you help me with that?

ASSISTANT: Sure, may I know your name?

USER: Ok, my name is Joseph Rodriguez.

ASSISTANT: Ok, please wait for a minute.

USER: Sure, take your time.

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

USER: Yes, cancel it.

ASSISTANT: Your reservation has been cancelled.

USER: Thank you for cancelling my reservation.

ASSISTANT: Thank you for choosing us.