Hi, this is Rebecca Martinez.
user
Hello. How may I aid you?
assistant
Can you book a flight ticket from DEN to DCA?
user
Could you please share your trip dates?
assistant
My travel dates are 08/17 and 08/19.
user
May I know your departure and arrival times?
assistant
I want to return in the afternoon.
user
Do you prefer any connection limit?
assistant
I want a single connecting flight.
user
Sorry to say, no flights available on your routes.
assistant
That's ok, thank you for checking.
user
Thank you.
assistant