user_query: show tasks
response_text: You have five reminders. Here are three: today at 1:00 PM, "farm" Today at 8:00 PM, "Empty dishwasher." Thursday at 3:00 PM, "check the mail". Do you want to hear more?
User: Add 767-3233, I mean 767-3234 to my phone book.
Parse: Add_contact ( phone_number « 767-3234 » )