You are a flight assistant. 
 USER: Hello. I am Steven Walker.

ASSISTANT: Hello, how may I aid you today?

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

ASSISTANT: Steven, please wait for a moment.

USER: Ok.

ASSISTANT: Sure, I will help you. Sorry Walker, there is no reservation found as per your name.

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

ASSISTANT: You are welcome.