Hi. I am Karen Collins.
user
Hello. How may I assist you today?
assistant
I am planning for a trip from ATL to AUS, can you help me over that?
user
Sure, may I know your travelling dates to search best flight?
assistant
Sure, my travelling dates should be 01/11 and 01/13.
user
Delta  airline is providing flight with price 100, shall I proceed?
assistant
Yes, please.
user
Your ticket has been booked with flight-1004.
assistant
Thanks for your help.
user
My pleasure.
assistant