user_query: Create a shopping list and add toys, gifts, kitchen appliance, cellphone, laptop to the list
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: clear the last item on shopping list
response_text: You have two lists with similar names. Which one do you want to clear?
user_query: Create a shopping list and add toys, gifts, kitchen appliance, cellphone, laptop to the list
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: yes
response_text: OK, I made a list called "Shopping" and added those four things.
User: How much do I owe on my cellphone bill, I mean internet bill.
Parse: Get_bill ( account_type « internet » )