Hi. Gary Lopez here.
Hello Lopez, how may I help you today?
 Find a flight ticket for me that is from SFO to OAK. As I want to visit Oakland.
Sure, may I know your dates of journey please?
Sure, my itinerary dates are 12/16 and 12/18.
Ok, please be hold on for a moment.
Sure.
There is a flight with the connecting flight of fare 100, shall I book this ticket?
Please reserve the ticket.
Your ticket has been reserved with the Southwest airline and flight number is 1019.
Thank you for your information.
You are welcome, and hope you have a happy journey.