Hi.
user
Hello, how can I help you?
assistant
Please book a ticket from SFO to OAK.
user
May I know your desired travel dates please?
assistant
Travel dates are Sept 2 and Sept 4.
user
May I know your name please?
assistant
I am Larry King.
user
Sorry to say, there is no flight on your desired travel dates.
assistant
Thank you.
user
Thank you for opting us.
assistant