user_query: Could you create a list for me named Costco
response_text: Sorry, it looks like you already have a list with that name. Do you still want to make a new one?
user_query: Add pears and bananas on it
response_text: OK, I added pears and bananas.
user_query: tin foil and napkins
response_text: Alright, what do you want to call it?
user_query: paper plates and plastic utensils
response_text: Sorry, I didn't get that. What do you want to call that list?
User: Let’s try I have to get candy from Safeway.
Parse: Get_product ( product « candy » product_source « Safeway » )