Hi, I am Eric Brown.
user
Hello, How can I serve you?
assistant
As I have some emergency work, I need to change an existing reservation. Can you help with that?
user
Sure, I will help you with that. 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. Thanks for your response.
user
Thank you for opting us, Have a great day.
assistant