user_query: Get this item on my shopping list
response_text: Which item?
user_query: Jane Eyre
response_text: I couldn't find Jane Eyre on your list called "Shopping."
user_query: Add jane Eyre to the shopping list
response_text: Alright, I added jane Eyre.
User: Buy tickets to the ga game through FlipIx.
Parse: BuyEventTickets ( event_type « game » provider « FlipIx » )