You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you now?

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

ASSISTANT: Ok, may I know your good name to check with your booking status?

USER: My name is Rachel Nelson.

ASSISTANT: Please wait for a moment.

USER: Sure, take your time.

ASSISTANT: Rachel Nelson, there is no reservation by your name.

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

ASSISTANT: Thank you for choosing us.