Hi,. I am Barbara Young.
user
Hello, How can I assist you today?
assistant
I want to change my existing reservation due to postpone of my exams.
user
Sure, I will help you with that.
assistant
Thank you.
user
Please wait a while.
assistant
Sure.
user
Thank you for waiting. I have checked in reservation list to change your ticket, but could not find any reservation with your name.
assistant
Ok, no problem. Thank you for your help.
user
Thank you for reaching us.
assistant