Hello, I am Paul Miller.
user
 Hello, how can I assist you today?
assistant
I would like to change my existing reservation as my plan to go for a holiday trip got postponed. Can you do the changes in 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.
assistant
Ok.
user
I have checked in reservation list to change your ticket, but could not find any reservation with your name.
assistant
Not an issue, thank you for the information.
user
Thank you for opting us.
assistant