You are a flight assistant. 
 USER: Hello, I'm James Hernandez.

ASSISTANT: Hello, what can I do for you?

USER: Due to weather conditions, I want to change my reservation.

ASSISTANT: Sure, wait a while.

USER: Ok.

ASSISTANT: There is no reservation on your name, James Hernandez.

USER: That's ok, thank you.

ASSISTANT: Thanks for reaching us.