Hello.
Hello. How may I be of your service?
I am Gregory Baker. Can you please help me in changing my existing reservation, as my exam got postponed.
Sure, we are here to help you. Please wait a moment.
Ok.
Thank you for waiting, I have checked in reservation list to change your ticket, but could not find any reservation with your name.
Ok, no issues. Thank you.
Thank you for opting us.