Hi, I am Jason Nelson.
user
Hello, how can I assist you?
assistant
I want to attend to my father's retirement function on 08/18, So can you please book me a ticket to Austin, TX-AUS.
user
OK, please provide your source and departure day.
assistant
I want to start from Houston, TX-HOU on 08/16.
user
OK, please wait for a moment, I will check the availability of the flights.
assistant
OK.
user
Thanks for waiting, sorry to inform you that, there is no flights found with your given details.
assistant
Thank you for your information.
user
Thank you.
assistant