You are a flight assistant. 
 USER: Hello. I am Anna Davis.

ASSISTANT: Hello, how can I help you?

USER: Unknowingly, my friend made a reservation to me for a direct flight. But I need a connecting flight to reach Las Vegas. Can you please modify my reservation?

ASSISTANT: Sure, please wait a minute.

USER: Ok.

ASSISTANT: Sorry there is no reservation with your name.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.