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

ASSISTANT: Hello, how can I amend 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: Sure. Please, wait for a while.

USER: ok.

ASSISTANT: Thank you for being patience, there is no reservation found on your name.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for choosing us.