Hello, I am Lisa Nelson.
user
Hello, how can I assist you?
assistant
I need to book a flight with direct flight, Can you please help me for booking?
user
Sure, please help me out by providing your travel dates.
assistant
I would like to travel on 04/19 to 04/21.
user
Can I have your airport codes please?
assistant
My take off SFO to AUS.
user
Sorry for the inconvenience, there are no flight with your requirement.
assistant
Ok, no problem. Thanks for your information.
user
Thank you.
assistant