Hello, I am Michael Evans.
Hello, how may I aid you?
I would like to go to a event in Washington, so could you aid me in booking a flight ticket?
Sure, I will help you. Please send your travelling dates.
Sure, I would like to go on 07/28 and return back on 07/30.
Noted. Please send your nearby airport codes.
My source and destination airport codes are ORD and IAD.
Please wait for a while, I will check the availability.
Ok, ensure it is a single connecting flight.
Sorry, there is no flight available on your travelling dates.
That's ok, thank you for checking.
You are welcome, have a nice day.