Hi.
Hello. How can I assist you at this moment?
I am planning for a trip from SFO to AUS, can you help me over that?
Sure, I am happy to help you with that. Can I have your travel dates please?
Ok, my trip dates are from May 25 to 27.
Ok, please let me know the timings of your journey.
No, I need a flight in normal-cost with single connection.
Do you  prefer any specific class to travel?
No.
Do you have any other specifications?
No.
Can I have your good name please?
Patrick Lewis here.
Sorry to inform you that no flight is available to you on your dates in normal cost airlines.
It's ok, thanks for checking.
Thank you for choosing us, have a good day.