Hello.
Hello, How exactly I can serve you the best today?
My board meeting has been postponed, I want to change my existing reservation. Can you please change my reservation?
Sure, I will help you with that. Let me know your name to check your reservation?
Sure, I am Susan Campbell.
Please wait a moment.
Ok.
 I have checked in reservation list to change your ticket, but could not find any reservation with your name.
Ok, Thank you for your service.
Thank you for choosing us.