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