Hello,. I am Carol Taylor.
user
Hello, How can I aid you today?
assistant
I want to change my existing reservation due to postpone of my exams, so can you please help me in changing my reservation?
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
No problem, thank you for the information.
user
Thank you for choosing us.
assistant