You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Cynthia Johnson.

ASSISTANT: How can I assist you today?

USER: I want to cancel my reservation, due to heavy rainfall in New York, can you help me?

ASSISTANT: Sure, please give me a moment. I will check your reservation status.

USER: Sure, take your time.

ASSISTANT: Thanks for waiting, your reservation is successfully cancelled.

USER: Thank you for your help.

ASSISTANT: Thanks for reaching us, have a great day.