You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: Due to the continuous raining, my FIFA tournament got cancelled. So I request you to cancel my existing reservation.

ASSISTANT: Sure, may I know your good name?

USER: Sure, Justin Lopez.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We found a reservation on your good name. It has been cancelled successfully.

USER: Thank you for your assistance.

ASSISTANT: Thank you.