Hello, I am George White.
Hello, George. How can I assist you now?
I would like to change my reservation, as my trip was postponed to next month, can you please help me?
Sure, I will help you with that. Please wait for a while.
Ok.
Sorry George, there is no reservation found on your name. Thank you for approaching us, have a nice day.
No problem, thank you for checking.
You are welcome.