You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

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.

ASSISTANT: Sure, I am here to help you.

USER: Thank you for accepting my request.

ASSISTANT: Ok, Please provide your name.

USER: Sure, I am Ryan Edwards from Phoenix.

ASSISTANT: Please wait for a while, I will check the status and revert to you.

USER: Sure.

ASSISTANT: Thank you for your time, we did not find any reservation on your name in our database.

USER: No worries, thank you.

ASSISTANT: Thank you for reaching us.