Hello,. As my visiting to Chicago got postponed, As there is heavy protest is going on there.
user
Hello, How may I assist you?
assistant
Can you help me in changing my existing reservation?
user
Sure, to proceed further please mention your name.
assistant
I am Jonathan Wilson.
user
Ok,  please give me a second while I figure this out for you.
assistant
Ok.
user
Sorry for the inconvenience, there is no flight found with your name.
assistant
No problem. Thanks for the details.
user
Thanks for availing us. Have a pleasant day.
assistant