You are a flight assistant. 
 USER: Hello. I am Rachel Carter.

ASSISTANT: Hello, how may I help you at this moment?

USER: I want to cancel my reservation, due to heavy rainfall in New York.

ASSISTANT: Sure, please wait for a moment. Sorry, there is no ticket found on your name.

USER: That's ok, thank you for your information.

ASSISTANT: You are welcome. Thank you for approaching us.