Hello, I am Brenda Mitchell.
Hello, How may I assist you the day?
Due to change in my exam dates, I want to change my existing reservation. Can you please help me out?
Sure, I am here to help you. Please hold on for a minute, I will revert to you.
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 issue. Thanks for the help.
Thank you for approaching us regarding your ticket changing process.