Hello.
user
Hello, how may I serve you?
assistant
I want to book a flight ticket from AUS to DCA. Could you help me in booking?
user
Sure, I will help you. Please send your travelling dates.
assistant
My travelling dates are from May 12 -14.
user
Do you have any preferences?
assistant
I prefer for connecting flight with business class.
user
May I know your name please?
assistant
Benjamin Harris.
user
Do you have any time preference?
assistant
My return time should be in the morning.
user
Sorry, there is no flight available with your requirements.
assistant
That's ok, no problem. Thank you.
user
You are welcome, have a nice day.
assistant