You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

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

ASSISTANT: Sure may I know your name to check the reservation?

USER: Sure, Matthew Roberts here.

ASSISTANT: We found a reservation, shall I proceed with cancelling?

USER: Yes, please cancel it.

ASSISTANT: Your reservation has been cancelled.

USER: Thank you for the help.

ASSISTANT: Thank you.