Hi.
user
Hello, how may I help you today?
assistant
Help me in booking a flight from OAK to SFO?
user
Sure, please share me your trip dates.
assistant
My travelling dates are Sept 15 to 17.
user
Do you need direct flight or connecting flight?
assistant
I prefer connecting flight.
user
For booking, we need your good name. Please mention it.
assistant
I am Shirley Lopez.
user
 Is there any other specifications?
assistant
No.
user
Sorry to say that, there are no flights available on the routes of your journey.
assistant
That's ok, thank you.
user
Thank you for choosing us.
assistant