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 change my reservation?

ASSISTANT: Sure, I am here to help you in changing your reservation. Please provide your name to find your reservation?

USER: Sure, please check the reservation on the name of Raymond King.

ASSISTANT: Ok, we did not find any reservation on your name to change.

USER: Ok, Thank you for providing information.

ASSISTANT: Thanks for consulting us, have a nice day.