Hello.
 Hello, how can I assist you today?
 I am Brenda Adams want to change my reservation due to prepone of my exams. Can you help me in changing?
Sure, I will help you with that. Please wait a while.
 Ok.
Thank you for waiting. I have checked in reservation list to change your ticket, but could not find any reservation with your name.
 Thank you for your help.
Thank you for choosing us.