Hello, I am Jack Gonzalez.
Hello, how may I serve you today?
I need a flight ticket with a single connection. Can you book my flight ticket on 10/11?
Sure, may I know your airport codes?
My  airport codes are IAD to DTW. The range of ticket should be 200. I intend to return on 10/13.
Thanks for the information. There is a flight with airline: Delta and flight number: 1007 with price 100.
You can proceed with booking.
Your ticket has been confirmed.
Thank you for your quick response.
Thank you have a nice day.