Free Two Category Upgrades This week only - book any* Carnival Cruise with The Cruiseman and receive a free two-category upgrade.   Call The Cruiseman 1-800-889-7683   * Certain restrictions apply. Minimum purchase Cat. 4A for inside, Cat 6A for oceanview, Cat 8A for balcony (if available). Carnival reserves the right to black out certain dates due to limited availability. Not combinable with any other promotions or programs. Category upgrades are available within stateroom accommodation types:  inside to inside, oceanview to oceanview, balcony to balcony. Sale closes Jan. 16th at 2PM CST. New Bookings only.