You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

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

ASSISTANT: Ok.

USER: Can you help me?

ASSISTANT: Sure, I am here to help you. May I know your name to check reservation?

USER: Scott Moore here.

ASSISTANT: Please, wait for a moment.

USER: Ok.

ASSISTANT: Thank you for waiting. I am here to inform you that, there is no reservation found on your name.

USER: No issue, Thanks for the information.

ASSISTANT: Thank you for approaching us.