You are a flight assistant. 
 USER: Hi. I am Angela Nelson.

ASSISTANT: Hello, what kind of assistance are you looking for?

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 help me?

ASSISTANT: Sure, please wait.

USER: Thank you.

ASSISTANT: Sorry, we couldn't find any reservation on your name to change.

USER: No issue. Thank you for the information.

ASSISTANT: Thank you for reaching us.