user_query: Show my tasks
response_text: You have four reminders. Here are three: Saturday at 9:00 AM, "pay bills" Today at 9:30 AM, "File expense report" Today at 8:00 AM, "create a Quiet Spot for Reading". Do you want to hear more?
User: Hey Fitbit, start lap swim.
Parse: Start_exercise ( activity « lap swim » provider « Fitbit » )