My first thought was that the dude never ordered her, considering he's so surprised. So, the girl might have stuffed herself into a box to be found by a "target" she selected. Maybe it's an underdeveloped society with extreme social inequality and she's at her wits end, not knowing how to survive in the future. Seeing how she seems to be very thirsty, this could be a far better and much healthier plan than becoming an ordinary prostitute in such a place. She wouldn't live long that way. The dude decided to hire her, so her plan was masterful.