user_query: Erase favorite movies list
response_text: Are you sure you want to go ahead and delete it?
user_query: Favorite movies list
response_text: You have eleven lists. Which one do you want to delete?
user_query: No, you should erase that
response_text: No problem, nothing has been changed.
User: What is MSFT at now?
Parse: Get_security_price ( security_identifier « MSFT » )