Hi.
Hello, how can I aid you?
Can you please book a flight ticket from DEN to DCA?
Sure, can you share your trip dates?
My trip dates are in May from 1st to 3rd.
Do you have any preferences?
I prefer normal cost airlines.
May I know your name?
 I want an economy class seat. I need a single connecting flight. Frank Lopez here.
Ok, give me a minute.
Sure.
There is a connecting flight with number 1003 in airline UA, the fare is 100 in economy class. Can I book it?
If it fulfils all my requirements, please proceed.
Your ticket is reserved, the depart time is 9:00 AM and return time is 19:00 PM.
Thank you for your help.
Thank you for opting us.