Hello.
Hello. How may I help you?
I want to change my existing reservation due to some issues, can you please help me with that?
Yes, I will help you in change of flight ticket reservation. May I know your name please?
I am James Young.
Please wait for a moment. I will check it and let you know.
Sure.
Thanks for waiting. But I am sorry to say that there is no flight reservation on your name to change it.