PROHIBITION! Prohibition CHRISTMAS PACKAGES 2015 | Office Christmas Parties From the 1st to the 23nd December, Bourne and Hollingsworth Group is hosting special Christmas Party Prohibition nights that can be tailored to small groups or large private functions. Guests arrive at the ‘secret location’ in full 1920s attire and are greeted with a cocktail reception. Dinner is then served whilst enjoying live bands, floor shows and a casino.