It's dinner time!

Ingredients

• 2 (8 ounce) containers plain yogurt
• 2 cucumbers - peeled, seeded, and diced
• 3 tablespoons olive oil, divided
• 1 tablespoon chopped fresh dill
• ½ lemon, juiced
• 3 cloves garlic, peeled
• salt and ground black pepper to taste
• 1 (1 pound) beef top sirloin steak, cut into thin strips
• 5 pita bread rounds
• 1 tomato, chopped
• ½ small onion, thinly sliced
• 1 (4 ounce) package crumbled feta cheese
• ½ cup shredded lettuce
• 1 (2.25 ounce) can sliced ripe olives, drained