Hello.
Hello, How can I respond to your request?
 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?
Sure, that is what I am here. May I know your good name please?
Sure, my name is Anthony Brown.
Thanks for providing your name.
Sure.
Please wait for sometime.
Ok.
Sorry to say that there is no reservation found on your name.
That's Ok, thanks for your response.
Thanks for opting us, have a nice day.