I only use my bread machine to make homemade pizza dough - we never order in pizza anymore.
You should try to find the User Manual for your machine online, because bread machines are very picky about the order in which you deposit your ingredients. For instance, my machine's directions require that the yeast goes in first, followed by the flour, salt, sugar and liquids. My recipe book, which was written with another manufacturer's bread machine in mind, has the liquid going in first and the yeast going in last. It's important to know what your machine "prefers" to get the best results in your finished product.
Make sure you use yeast and flour that is specifically meant to be used in bread machines. If you try with regular ingredients and switch to the bread machine variety, you'll notice a big improvement. Keep your yeast in the fridge between uses so it stays fresh and retains its leavening properties.
When you add the water to your machine, make sure it is slightly warm - tap water is ok. Cold water will chill the yeast and it won't rise as well. Extremely hot water will kill some or all of the yeast, and your dough will not rise.
Here's my pizza dough recipe:
2½ teaspoons of yeast
3 cups of bread machine flour
1 teaspoon sugar
1¼ teaspoon salt
1 cup + 1 tablespoon warm water
Set the machine to the manual setting. When it has run through the cycle, you'll have enough dough to make 2 large pizzas. Roll the dough to fit 2 pizza pans. Add your toppings and bake at 375°F for 20 minutes (you can switch the pizzas from top to bottom racks at the half-way point of baking to ensure even cooking).