Hi.
user
Hello, how may I aid you?
assistant
I am George Moore. I need to change my existing reservation as my exams got postponed, Can you please help me with that?
user
Sure, I will help you. Please wait a minute. I will check and get back to you with your ticket reservation details.
assistant
Sure, I will wait for your response.
user
Sorry George, there is no reservation found under your name in our records.
assistant
Ok, no problem. Thanks for your quick response.
user
Most welcome.
assistant