Hello.
user
Hello. How can I assist you at this moment?
assistant
I need you to book a flight ticket from DFW to AUS, please help me.
user
Sure, can I have your travel dates please?
assistant
December 31 and January 02, are my planned travelling dates.
user
Ok, please let me know your  preferable timings of your journey.
assistant
I wish to return in the morning.
user
Do you  have any other specifications?
assistant
I need a break in between my journey.
user
Can I have your good name please?
assistant
Raymond Wilson here.
user
Sorry to inform you that no flight is available to you on your dates in morning time.
assistant
That's ok. Thank you.
user
Thank you for choosing us, have a good day.
assistant