Hello.
Hello, how may I oblige you today?
My name is Donna Jones.
Ok.
I want to change my existing reservation due to postpone of my interview.
Sure, I will help you with that. Please wait a while.
Sure.
Thank you for waiting. I have checked in reservation list to change your ticket, but could not find any reservation with your name.
Not an issue, thank you.
Thank you for choosing us.