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: Begin walk, my walk on Samsung Health.
Parse: Start_exercise ( activity « walk » provider « Samsung Health » )