Hello.
user
Hello. How can I assist you?
assistant
I am Jason Thomas. Can you please help me in booking my flight ticket from ORD to ORD?
user
May I know your travel dates?
assistant
My travelling dates are 03/21 and 03/23.
user
 Do you have any preference?
assistant
I need direct flight.
user
Sorry to inform you that no direct flights were available on your travel dates.
assistant
Ok, fine thank you for checking.
user
 Thank you for availing us.
assistant