Hello.
user
Hello, how can I help you today?
assistant
I want to book a flight ticket from DEN to IAD. Could you help me in booking?
user
Sure, may I know your planned travel dates?
assistant
My travelling dates are from Aug 10-12.
user
Is there any class preference for you?
assistant
I prefer for business class.
user
Do you have any other specifications?
assistant
I need direct flight.
user
Your good name please.
assistant
Joseph Collins here.
user
Sorry to say that, no flights were found with your given details.
assistant
That's ok, no problem. Thank you.
user
Thank you for reaching us.
assistant