Shortly after I took off on an Aer Lingus flight from Dublin to Boston a few weeks ago, air hostess nervously announced that the catering department made a terrible mistake. A big mixup she said. Although 226 passengers on board they received only 80 dinners. She apologised but said that anybody who is kind enough to give up their meal to somebody who is hungry would receive free unlimited drinks for the remainder of the flight. The next announcement came 2 hours later when she said, ' If anybody is hungry we still have 80 dinners available.