Hello. Jerry Wright here.
Hello, how can I help you?
I want to book a flight from ORD to PHL, can you help me?
May I now your desired travel dates please?
My travelling dates will be from 08/21 to 08/23. I need  a direct flight.
Sorry to say, there is no flight on your desired travel dates.
Ok, that's fine. Thank you for checking anyways.
Thank you for opting us.