<http://schema.org/keywords>
"travel, transportation, taxi, cab, service, airport, shuttle, limo, chesapeake, norfolk, portsmouth, virginia, beach, suffolk, hampton, newport news, orf, north carolina, online, book, order, fares, rates, reservations"^^<http://www.w3.org/2001/XMLSchema#string>
<http://greenbriertaxi.info/reservations/order-online/>