i want to be a vegetarian but do not know what to eat or not to eat
You must abstain from all  (red meat, poultry, seafood, and the flesh of any other animal). Why do you want to stop eating meat? 
i think in the long run it will be more healthier for me if I do not eat meat
Many people adopt Vegetarianism for many various reasons. I actually gave up meat for 9 years when I was younger. 
i tried it before but I found eating only vegetable and bread was unfulfilling. I like to know what kind of food I should start out with
 Many variations of the diet exist: an ovo-lacto vegetarian diet includes both eggs and dairy products, an ovo-vegetarian diet includes eggs but not dairy products.
so I can include eggs and diary products and just cut out meat in my diet
aesthetic, economic, or personal preference. There are variations of the diet as well: an ovo-lacto vegetarian diet includes both eggs and dairy products, an ovo-vegetarian diet includes eggs but not dairy products, and a lacto-vegetarian diet includes dairy products but not eggs. A strict vegetarian diet – referred to as "vegan" – excludes all animal products, including eggs and dairy. Avoidance of animal products may require dietary supplements to prevent deficiencies such as vitamin B12 deficiency, which leads to pernicious anemia.
pass your lips. They told all the meat-eating Kagyupas, “You can’t be a Kagyupa if you eat meat.” I did not say anything that inflammatory. If a Mahayana practitioner, who considers all sentient beings to be like their father or mother, eats the flesh of another being out of carelessness and without any compassion, that is not good. So we need to think about this and pay attention to it. All of us Mahayana practitioners, who accept that all sentient beings have been our mothers