You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Due to heavy rainfall, I couldn't travel to New York. Can you help me in cancelling my ticket?

ASSISTANT: Sure, I will help you. May I know your name please?

USER: Please check with the name Joseph Moore.

ASSISTANT: Please hold on a moment.

USER: Ok, take your own time.

ASSISTANT: Moore, your reservation has been cancelled successfully.

USER: Thank you for your quick response.

ASSISTANT: Thank you for choosing us.