Hi. I am Paul Scott.
Hello, how may i get off to you?
 I already have an reservation to attend at my meeting, due to some problems meeting place has been changed. So I need a few changes in my reservation. Can you help me?
sure, let me check the list and get back to you.
Ok.
We could not find any reservation on the name you mentioned above.
That's Fine. Thank you.
Thank you for reaching us.