Hello.
user
Hello, could you please tell us for what help you approached us?
assistant
I have a plan to visit San Francisco, SFO. Can you please book me a flight ticket to visit Twin Peaks from OAK?
user
 Sure, may I know your departure and arrival day?
assistant
My journey dates are from June 01 to June 03.
user
Ok, could I have your name please?
assistant
My name is Anthony Miller.
user
Ok, do you need direct or connecting flight?
assistant
I need a direct flight.
user
Ok, do you have any other specifications?
assistant
No.
user
Sorry, there is no flight on your requested travelling dates.
assistant
Ok, that's not a problem. Thanks for your information.
user
You are welcome, have a great day.
assistant