Jean Georges French  style restaurant, Located at: 1 Central Park W. Manhattan, NEW YORK   Phone Number 212-299-3900           Hours of Business: Dinner nighlty.           Average Price: $85                   Sleek, urban, contemporary, these are all words that have been used to describe Jean Georges Vongerichten's elegant dining room in the Trump International Hotel. The restaurant is as polished and professional as any in town, and the food, like the dining room, is serene and sublime. Reservations are recommended.