Hello, I am Joshua Perez.
Hello, how can I render you today?
Due to changes in my exam dates I need to change my existing reservation can you help me changing my reservation?
Sure, I will help you with that.
Thank you.
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.
No problem. Thank you for the information.
Thank you for opting us.