Hello. Is this flight ticket booking agency?
Yes, you are at booking agency only. How may I guide you?
Myself William Mitchell. Can you please check is there any direct flight available to Chicago on 05/19,  because I have to attend a business meeting there.
Sure Mitchell, I can find a flight for you.
Thank you.
Can I have your airport codes that you want to travel?
In Philadelphia there is a airport it is near to my location that is PA-PHL and destination airport is IL-ORD.
Ok, on which date that would you like to return?
I want return to PHL from ORD on 05/21.
Sorry Mitchell, on your dates there is no direct flight available. Thank you for approaching us, have a nice day.