Lawton–Fort Sill Regional Airport (IATA: LAW, ICAO: KLAW, FAA LID: LAW) is a city owned airport two miles south of Lawton, in Comanche County, Oklahoma. It is used for military aviation from nearby Fort Sill and Sheppard Air Force Base and is served by American Eagle. Allegiant Air runs occasional charters to various destinations in the western United States.
The airport only has flights to California. 
The passage does not specify where on the West Coast the airport has flights to. 
( z1 have :ARG0 ( z2 airport ) :ARG1 ( z3 fly :destination ( z4 state :name ( z5 name :op "California" ) ) ) :mod ( z6 only ) )