user_query: add candles 
response_text: OK, I added candles.
user_query: add item second on shopping list 
response_text: What do you want to add?
user_query: Add item second on list 
response_text: Alright. Which list do you want to add to?
User: What is Amazon's price right now, no look at the last hour?
Parse: Get_security_price ( security_identifier « Amazon » time « last hour » )