You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

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 with this?

ASSISTANT: Sure, I am gleeful to help you. May I know your name please?

USER: Please check the reservation on the name of Margaret Evans.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: Thank you for waiting, we did not find any reservation on your given name.

USER: Ok, Thank you for providing information.

ASSISTANT: Thank you for choosing us.