You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Daniel Perez.

ASSISTANT: How can I aid you?

USER: I need to cancel my recent reservation due to postpone of my live event. Could you please help me in doing that?

ASSISTANT: Sure. We found a reservation by this name. Can I proceed it for cancellation?

USER: Yes, you can proceed with cancelling the reservation.

ASSISTANT: Your flight ticket has been cancelled.

USER: Thank you for helping me.

ASSISTANT: Thank you for opting us.