Hello, I am Alexander Brown.
Hello, how may I serve 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, please standby.
Ok.
Sorry to notify, there is no reservation found on your given name.
No problem, Thank you.
Thank you for opting us. Hope to serve you again.