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