You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: My business meeting has been cancelled, could you please help me with cancelling my recent reservation?

ASSISTANT: Sure, hold on for a moment. Let me check.

USER: Ok.

ASSISTANT: I found a reservation on your name. Shall I proceed to cancel?

USER: My previous reservation was done under the name Jeffrey Roberts. Please cancel my reservation.

ASSISTANT: Roberts, your ticket has been cancelled.

USER: Thank you for your service.

ASSISTANT: Welcome. Thank you for choosing us. Have a great day.