user_query: sophia
response_text: OK, what's the message?
user_query: sohpia
response_text: Sorry,, who do you wanna text?
user_query: send a text
response_text: Who do you wanna text?
User: Make a call to 555-222-3333.
Parse: Initiate_call ( callee Contactable_entity ( contact_id Phone_number ( id_form « 555-222-3333 » ) ) )