You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Barbara Carter.

ASSISTANT: How may I guide you now?

USER: Can you cancel my flight ticket reservation? As my football match is being postponed due to bad weather in New York.

ASSISTANT: Barbara Carter, please give me a moment to check with your previous booking in our data base.

USER: Sure, I will be waiting.

ASSISTANT: I found a reservation by your name, can you please give me permission to cancel it?

USER: Please cancel it.

ASSISTANT: Your booking is successfully cancelled, you will receive your refund within a week.

USER: Thank you for understanding and cancelling my reservation.

ASSISTANT: Have a nice day.