MLT Vacations and Northwest Airlines WorldVacations of Minneapolis. November 10, 1998 Share 1 -- Pay: 10 "travel dollars." What: All MLT Vacations winter destinations and WorldVacations bookings to Hawaii, Europe and India booked electronically through Dec. 31. "Travel dollars" can be redeemed toward the purchase of agents' travel in 1999 to any destination serviced by MLT and WorldVacations. How: Via Worldspan, Amadeus, Apollo and Sabre.