Hello.
Hello, how can I assist you today?
I already have an reservation to attend the  meeting, due to some problems meeting place has been changed. So, I need a few changes in my reservation with the name of Brenda King.
Sure, please wait for a moment.
Fine.
Thanks for your time, sorry to say that, no reservation was found with your good name.
Ok, thank you for your help.
Thank you for opting us.