You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

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

ASSISTANT: Sure, I am here to help you out.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: My name is Ryan Scott.

ASSISTANT: Wait a moment please.

USER: Sure, take your time.

ASSISTANT: Ryan Scott, we haven't found any reservation under your name in our database.

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

ASSISTANT: Thank you for choosing us.