Hello'.
Hello, how may I help you today?
I want to book a flight ticket from DTW to IAD.
Sure, may I know your travelling dates?
My travelling dates are from Oct 13 - 15.
On which name shall I reserve flight ticket?
Paul Wilson.
 Do you need any specifications?
I prefer for connecting flight.
Sorry, there are no flights found on given dates.
That's ok, no problem.
Thank you for reaching us.