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