PROVIDING AN ON-LINE COMPUTER DATABASE IN THE FIELD OF TRAVEL INFORMATION SERVICES; TRAVEL AND TOUR INFORMATION SERVICE; TRAVEL AND TOUR TICKET RESERVATION SERVICE; TRAVEL SERVICES, NAMELY, PROVIDING FARE AND RATE INFORMATION FOR TRANSPORTATION BOOKINGS AND RESERVATIONS FOR FLIGHTS, CAR RENTALS, CRUISES, RAIL TRAVEL, AND TOURS VIA COMPUTER; PROVIDING TRAVEL INFORMATION AND NEWS VIA COMPUTER