Hi.
user
Hello. How may I help you?
assistant
Please help me to book a flight ticket from IAD to MSP.
user
May I know your travel dates?
assistant
My journey dates are from Oct, 12 to Oct, 14.
user
Do you have any connecting preferences?
assistant
I need  a single connecting flight.
user
Is there any other concern?
assistant
I prefer an economy class to fly.
user
May I know your name please?
assistant
Dorothy Thomas.
user
No flights found as per preferences at the moment. Sorry for inconvenience caused, thank you for choosing us.
assistant