Asian Pear and Avocado Salad with Garam Masala Syrup

Name: Asian Pear and Avocado Salad with Garam Masala Syrup
Ingredients: 2 cups water; 1/2 cup sugar; 1 (2-inch-long) piece cinnamon stick; 2 (1- by 1/4-inch) pieces fresh ginger, smashed; 2 teaspoons green or white cardamom pods, lightly crushed; 2 teaspoons coriander seeds, lightly crushed; 10 whole black peppercorns, lightly crushed; 1/4 teaspoon dried hot red pepper flakes; 1/4 cup raw green (hulled) pumpkin seeds (not roasted); 2 firm-ripe California avocados (1 to 1 1/4 lb); 1/4 cup fresh lemon juice; 2 Asian pears (1 lb total); 4 oz mixed microgreens or baby greens (4 cups)