ABSTRACT
Tourists have many needs. They have to get from where they live to where they want to go, which may involve a bus or a taxi to an airport, a wait in that airport for an hour or two, a flight on an airplane, a taxi to a hotel, booking a room in a hotel, dining in a restaurant, transportation to a desired site, hiring a guide, paying for admission to the site, hiring a cab or taking a bus back to a hotel, finding restaurants to eat lunch and dinner, and so on.
