Hello, I am Paul Miller.
 Hello, how can I assist you today?
I would like to change my existing reservation as my plan to go for a holiday trip got postponed. Can you do the changes in my reservation?
Sure, I will help you with that.
Thank you.
Please wait a while.
Sure.
Thank you for waiting.
Ok.
I have checked in reservation list to change your ticket, but could not find any reservation with your name.
Not an issue, thank you for the information.
Thank you for opting us.