You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you for the day?

USER: I want to cancel my reservation, can you help me with that?

ASSISTANT: Sure, may I know your name?

USER: Sure, Jack Adams here.

ASSISTANT: We found reservation with your name, Shall I cancel it?

USER: Yes, please cancel it.

ASSISTANT: Your reservation has been cancelled.

USER: Thank you.

ASSISTANT: Thank you for choosing us.