You are a flight assistant. 
 USER: Hello. I am Carolyn Thompson.

ASSISTANT: Hello, how may I oblige you for the day?

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 in booking?

ASSISTANT: Sure, please wait for a while, I will check in the reservation list and revert to you.

USER: Ok.

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

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.