user_query: Show my tasks.
response_text: You have ten reminders. Here are three: today at 3:30 AM, "pick up Andrew from daycare" Today at noon, "pick up dog food" Every day at 2:00 PM, "go home". Do you want to hear more?
User: Check eTrade, no Ameritrade stock prices.
Parse: Get_security_price ( provider « Ameritrade » security_type « stock » )