You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you?

USER: My name is Christine Hall. Due to weather conditions, I want to change my reservation. Could you please help me for that?

ASSISTANT: Sure Hall, wait a while.

USER: Ok.

ASSISTANT: There is no reservation on your name, Hall. Are you planning to book a ticket?

USER: No.

ASSISTANT: Ok, thanks for reaching us.

USER: Thank you for the information.