Hi.
Hello. How may I render you today?
I am Ryan Scott. I need to change my existing reservation as my exams got postponed, Can you please help me with that?
Sure, I'll help you in changing an existing reservation. Please wait a moment.
Sure.
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 problem.
Thank you for opting us.