user_query: Could you create a list for me named Things to buy
response_text: Sorry, it looks like you already have a list with that name. Do you still want to make a new one?
user_query: Add toothpaste and hand sanitizer on it
response_text: Got it, I added those two things.
user_query: frozen berries and corn
response_text: OK, what do you want to call it?
User: I want to check the stock price of Microsoft, I mean IBM.
Parse: Get_security_price ( security_identifier « IBM » security_type « stock » )