Hello,.
user
Hello, How can I help you?
assistant
My name is Steven Robinson, I just want to book a ticket from Oct/2 to Oct/4.
user
Thank you for providing your name, May I know the travelling places of your journey?
assistant
Sure, origin airport on TX-AUS and destination airport on CA-SFO.
user
Thank you, Please wait a moment, so that I will check the availability and let you know.
assistant
OK, I will wait.
user
Thank you for waiting, I am sorry to say that there were no flights available as per your requirements.
assistant
OK, thank you for your information.
user
Thank you for choosing us, Have a nice day.
assistant