user_query: yes
response_text: Calling Daniel ALLEN.
user_query: call mr allen
response_text: Is that Daniel ALLEN at (555) 555-4444?
user_query: make a phone call
response_text: Who do you wanna call?
User: Check Dollar General, no, Exxon stock prices
Parse: Get_security_price ( security_identifier « Exxon » security_type « stock » )