Heat olive oil in large dutch oven or pot over medium heat. Add onion, celery and carrots, stirring and cooking for about 15 minutes, until softened. Stir in garlic and cook for 1 minute. Add chicken, chicken broth, pumpkin, cream, salt, pepper, garlic salt and cilantro. Stir to combine. When hot, stir in cheese to melt. Taste and season accordingly with additional seasonings if desired.