user_query: Update my todo list with a new item
response_text: You have two items on that list. Which one do you want to edit?
user_query: I want to add an item
response_text: What do you want to add?
user_query: cancel adding an item
response_text: What do you want to add?
User: Check where PP, I mean PEP is at now.
Parse: Get_security_price ( security_identifier « PEP » )