Hello.
Hello, How can I assist you today?
I am Gary Hall. I want to change my existing reservation. Could you help me with that?
Sure, we are here to help you.
Thank you.
Please wait for a moment.
OK.
Thank you for your time, we are sorry to inform you that we did not find any reservation on your name in our database.
That's ok, no problem. Thank you.
Thank you for reaching us.