user_query: make a list called trip
response_text: OK, I made a list called "Trip".
user_query: make a list called travel
response_text: Sure, I made a list called "Travel".
user_query: switch from trip to travel
response_text: Sure. Trip to travel on your list called "Travel". Anything else?
user_query: switch from trip to roadtrip
response_text: Alright. Switch from trip to roadtrip. Anything else?
User: Send a text to 449-1234 please.
Parse: Send_digital_object ( medium « text » recipient Contactable_entity ( contact_id Phone_number ( id_form « 449-1234 » ) ) )