Hello.
Hello, how may I guide you today?
Can you help me to book a flight ticket from DEN to DCA?
Sure, please share me your trip dates.
My travel dates are Feb 28 and Mar 01.
Do you need direct flight or connecting flight?
I prefer connecting flight.
For booking, we need your good name. Please mention it.
I am Christopher Hall.
 Would you let us know if you have any other preferences?
No, thanks for asking.
 Thank you for waiting and we have found a flight in an economy class with 1 connection in United Airlines and the fare of your flight will be 200. Do you like me to proceed your booking with this flight?
Please proceed to book my flight ticket in this airlines.
Your booking is done with flight number 1017.
Thank you.
Thank you for approaching us.