Hello.
user
Hello. How can I assist you at this moment?
assistant
I am looking for a flight from AUS to IAD, can you help me in booking?
user
Sure, I am happy to help you with that. Can I have your travel dates please?
assistant
Sure, my planned travel dates are Sept 23 and Sept 25.
user
Ok, please let me know the timings of your journey.
assistant
I would like to return my journey for the  evening flight.
user
Do you have any more specifications?
assistant
Please look for a connecting flight.
user
Can I have your good name please?
assistant
Myself Scott Martin.
user
Ok, please wait a moment.
assistant
Sure, I will wait for your response.
user
Sorry Scott Martin, no return flight is  available to you in evening time.
assistant
That's ok, no problem. Thank you for the information.
user
Thank you for choosing us, have a good day.
assistant