Hello, I am Michelle Campbell.
user
Hello, how can I help you?
assistant
I need a economy class flight ticket to Oakland, so please book a flight ticket from Austin.
user
May I know your desired travel dates please?
assistant
I will start on Nov 07, return on Nov 09.
user
Please share your preferred airport codes.
assistant
My source and destination airport codes are AUS and OAK.
user
Sorry to say, there is no flight on your desired travel dates.
assistant
No problem, thank you.
user
Thank you for opting us.
assistant