Hello.
user
Hello. How can I assist you?
assistant
I want the flight ticket from DC-IAD to TX-DFW to meet my friends.Can you please help me out?
user
Sure. May I know the dates of journey?
assistant
The travel dates are from 07/24 to 07/26.
user
May I know your name?
assistant
Sure, my name is Mary Mitchell.
user
There is  a flight with 1 connection and airline is UA.
assistant
May I know the price?
user
Can I book it? The fare is 100.
assistant
Ok, proceed with my booking.
user
Your ticket is confirmed with number 1020. Happy journey.
assistant
Thank you for your help.
user
Welcome.
assistant