You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: Usually I prefer a connecting flight, but unfortunately my friend has already reserved my ticket with a direct flight. So, I want to change it. Can you please help me with this?

ASSISTANT: Sure, I am glad to help you.

USER: Thank you.

ASSISTANT: To proceed further, we need your name.

USER: Sure, I am Brandon Miller.

ASSISTANT: Thanks for your name, please wait.

USER: Sure.

ASSISTANT: Thanks for your time, there was no reservation found on your name to change.

USER: Ok, Thank you for your service.

ASSISTANT: Thank you for opting us.