user_query: Could you create a list for me named Things i need
response_text: Sure, I made a list called "Things I Need".
user_query: Add toothpaste and hand sanitizer on it
response_text: Got it. Those two things on your list called "Things I Need". Anything else?
user_query: frozen berries and corn
response_text: Alright. Frozen berries and corn. Anything else?
user_query: mouthwash, laundry detergent, soap
response_text: OK. Frozen berries and corn. Anything else?
user_query: peanut butter and bread
response_text: Peanut butter and bread. Got it. What else?
User: Get me some some eggs from Whole Foods using my Visa.
Parse: Get_product ( payment_method « Visa » product « some eggs » product_source « Whole Foods » )