You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I respond to your request?

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 that?

ASSISTANT: Sure, that is what I am here. May I know your good name please?

USER: Sure, my name is Anthony Brown.

ASSISTANT: Thanks for providing your name.

USER: Sure.

ASSISTANT: Please wait for sometime.

USER: Ok.

ASSISTANT: Sorry to say that there is no reservation found on your name.

USER: That's Ok, thanks for your response.

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