Hello. I am Donald Moore.
Hello, how may I aid you for this moment? Glad to meet you, Moore.
I want to change my existing reservation, due to financial issues. Can you help me?
Please wait for a mean while. Sure, I will help you.
Ok.
Sorry Moore, there is no reservation found as per your name to change your reservation.
That's ok, thank you for your information.
Thank you for consulting us.