You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I address you?

USER: I am Brandon Martin. I want to cancel my reservation, sue to heavy rainfall in New York.

ASSISTANT: Sure, give me a minute.

USER: Sure, take your time.

ASSISTANT: Sorry, there is no reservation found under your name.

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

ASSISTANT: Thank you for opting us.