Hello.
user
Hello.
assistant
I am Patricia Martin.
user
How can I assist you today?
assistant
I want to travel from PHL to DFW. Can you book a flight ticket for me?
user
Sure, I am here to help you with that flight ticket booking. May I know your travelling dates, please?
assistant
I would like to travel in the flight on Mar 06 and Mar 08.
user
Do you have any airline preference?
assistant
No, but I am looking for a direct flight.
user
 Do you have any particular time for departing and returning?
assistant
I want to depart in evening time.
user
Do you prefer either business or economy class?
assistant
I don't have any preference.
user
There are no flights found on this route as per your details.
assistant
That's ok. Anyways, thank you for your help.
user
Thank you for reaching us.
assistant