Hello.
Hello, how may I serve you?
I am looking to book a flight ticket from AUS to DCA. Can you help me for that?
Sure, I will help you. Please send your travelling dates on which you like to start and return back.
My travelling dates are Apr 25 and Apr 27.
Do you have any preferences?
No.
May I know your name please?
My name is Susan Robinson.
Sorry, there is no flight available with your requested dates.
That's ok, thank you for checking.
You are welcome, have a nice day.