Hi.
user
Hello, how may I assist you?
assistant
I am William Carter. Please search a flight ticket from AUS to DFW?
user
Sure, may I know your planned travel dates please?
assistant
My travelling dates are Feb 21 and Feb 23.
user
Would you like to prefer direct flight or connecting flight?
assistant
I need connecting flight.
user
Do you have any particular time for departing and returning?
assistant
I need my depart flight ticket at evening time and my return ticket at morning time.
user
Sorry, there is no flight available on your requested dates.
assistant
Ok, thanks for your information.
user
You are welcome.
assistant