Hello, I am John Hernandez.
user
Hello, how can I assist you?
assistant
I want to change my existing reservation due to my business meeting got postponed. Can you help me in this?
user
Sure, I am happy to help you. 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
It's ok, not an issue. Thank you for your information.
user
Thank you for approaching us, Have a great day.
assistant