user_query: I'm heading to the gym
response_text: I got: I'm heading to the gym.. Ready to send it?
user_query: 555-333-8888
response_text: OK, what's the message?
user_query: Text 555-333-8888
response_text: Sorry,, who do you wanna text?
User: I want to to know how much is the electric bill due Friday.
Parse: Get_bill ( account_type « electric » billing_date_span « Friday » )