Hello.
Hello. How can I assist you?
I am Carol Young. I have to attend a meeting in White house it is in Washington, can you please book a flight ticket  from  IAD to DFW?
Sure, can I know your travelling dates?
My travelling dates are 01/19 and 01/21.
Ok, give me a moment.
I want 0 connection limit flight ticket.
Sorry to say that there are no flights found with connection 0. Sorry for the inconvenience.
It's ok. Thank you for your information.
You are welcome.