Eating less food to lose weight does not work. And it will never work. Overweight people are not necessarily eating more then skinny people.
By reducing the amount of food your body sifts to a different mode of collecting fat. That is quite opposite of what you want when you are on a diet to lose weight. Fortunately there are ways to go around that defense mechanism and lose weight permanently and efficiently. Read our article: Overweight People vs. Thin People: Secrets Revealed