Hello, I am Robert Jackson.
user
Hello, How exactly I can serve you the best today?
assistant
I need to change my existing reservation due to postpone of my fun fair. Could you please help me?
user
Sure, I will help you with that. 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 reaching us.
assistant