user_query: Hoagie Fest.
response_text: OK, do you want to add time?
user_query: Cancel and start over.
response_text: No problem What's the reminder?
user_query: Create a new task called Hoagie Fest.
response_text: Sorry, what's the spelling?
user_query: New task, please and call it Hoagie Fest.
response_text: Hmm. I'm not seeing that name. What's the spelling?
User: How much was my Visa bill this week, I mean last week?
Parse: Get_bill ( billing_date_span « last week » card_company « Visa » )