Hi.
Hello, how may I aid you?
I would like to book a ticket from IAD to ORD.
Sure, help me with the trip dates?
Departure is by Sept, 15 and return date is Sept, 17.
May I know your name please?
I am Samuel Young.
Do you have any preferences?
I prefer economy class.
 We found an airline: United, flight number: 1014 and price is 100 with one connection. Shall I proceed to book?
Please book a flight.
Your flight ticket has been booked.
Thank you.
Thank you for reaching us.