Hello.
user
Hello, how may I help you?
assistant
Can you please help me to book a flight ticket from IAD to DFW?
user
Sure, may I know your planned travel dates?
assistant
My travelling dates are Mar 22 to Mar 24.
user
Do you want connecting flight or direct flight?
assistant
I want connecting flight.
user
Do you have any other requirements?
assistant
I prefer business class.
user
May I know your name please?
assistant
Nicole Williams here.
user
Sorry, there are no flights found with your given details.
assistant
No problem, thank you.
user
Thank you for opting us.
assistant