Hello. I am Stephen Smith.
user
Hello, how can I guide you today?
assistant
I want to change my existing reservation, due to postpone of my seminar which was going to be held in New York. Can you please assist me in changing my existing reservation?
user
Sure, I am here to help you. Please stand by.
assistant
Sure.
user
There is no reservation found on your given name.
assistant
Ok, not an issue. Thank you.
user
Thank you for visiting us.
assistant