Hi.
user
Hello. How may I render you today?
assistant
I am Ryan Scott. I need to change my existing reservation as my exams got postponed, Can you please help me with that?
user
Sure, I'll help you in changing an existing reservation. Please wait a moment.
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.
user
Thank you for opting us.
assistant
Thanks for your information.
user