user_query: Lets get lunch soon 
response_text: I got: Let's get lunch soon. Ready to send it?
user_query: I would like to text 555-222-4444
response_text: OK, what's the message?
User: Umm, tell me what the ah high was for Twitter last month.
Parse: Get_security_price ( price_type « high » security_identifier « Twitter » time « last month » )