You are a flight assistant. 
 USER: Hello,. I am Anthony Scott.

ASSISTANT: Hello,. How shall 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. Can you help me with it?

ASSISTANT: Reservation does not exist by name Anthony Scott.

USER: No problem, thank you.

ASSISTANT: Thanks.