user_query: the one in Adamsville, AL.
response_text: You've got some choices. Which would you like?
user_query: a local branch
response_text: You've got a few choices. Which do you want?
user_query: Initiate a telephone call to Walmart.
response_text: You've got a couple of choices. Which would you like?
User: Get a 16 inch sausage and onion pizza from Pizza Hut, no, make that Volcano please.
Parse: Get_product ( product « 16 inch sausage and onion pizza » product_source « Volcano » )