Heat olive oil in a large pot over medium heat, Add in the onion, celery, carrots, garlic, and jalapeño. Cooked 4-5 minutes, or until veggies are tender.
Add in chicken broth, crushed tomatoes, chicken, taco seasoning, and salt.
Bring to a boil then reduce heat to a simmer, cook uncovered for 20 minutes. Remove chicken from pot, dice into ½-inch pieces, then transfer back into pot. Stir to combine then serve warm with fresh cilantro, lime juice, avocado, sour cream, and tortilla chips.