user_query: add something to my music list
response_text: What do you want to add?
user_query: the new mac miller album
response_text: What do you want to add?
user_query: mac miller album
response_text: I couldn't find a list called "Mac Miller Album." Do you want me to make one?
user_query: no
response_text: No problem, nothing's been changed.
User: Please get me the water bill for May, I mean June.
Parse: Get_bill ( account_type « water » billing_date_span « June » )