Hi.
user
Hello, how may I serve you?
assistant
Can you help me in changing my recent reservation, as my exam is postponed?
user
Sure, I will help you. Please provide the name on which ticket was reserved.
assistant
I am Debra Lee.
user
Sorry, there is no reservation existing on your name.
assistant
That's ok, thank you.
user
You are welcome, have a nice day.
assistant