user_query: buy new silverware at the department store
response_text: OK, do you want to add time?
user_query: create a task
response_text: What's the reminder?
user_query: call the task "buy new silverware at the department store"
response_text: You've got several options. Which do you want?
user_query: Create a task and call it buy new silverware at the department store
response_text: Hmm. I'm not seeing that name. What's the spelling?
User: What was Delta's stock price on Friday?
Parse: Get_security_price ( security_identifier « Delta's » time « Friday » )