You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Benjamin Miller.

ASSISTANT: How can I assist you?

USER: Due to bad weather, my music concert has been cancelled. Could you cancel my reservation.

ASSISTANT: Let me check for a moment.

USER: Ok.

ASSISTANT: I found a reservation by your name. Shall I cancel it?

USER: Yes, cancel my reservation.

ASSISTANT: Your reservation is successfully cancelled.

USER: Thank you for your help.

ASSISTANT: Thanks for reaching us.

USER: Welcome.

ASSISTANT: Have a good day.