You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I provide assistance for you?

USER: Due to bad weather conditions, I want to change my existing reservation. Can you help me out?

ASSISTANT: Sure, I will help you with that. May I know your name please?

USER: Sure, my name is Timothy Lopez.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: Ok fine, thank you for the information.

ASSISTANT: Do you have any other plans to travel?

USER: No, thank you.

ASSISTANT: Thank you for approaching us, have a nice day.