user_query: Wednesday
response_text: OK, buy dog food for Sunday every 3 weeks. At what time?
user_query: make it every three weeks
response_text: OK, buy dog food for Sunday every 3 weeks. At what time?
user_query: Create a task called buy dog food.
response_text: OK, do you want to add time?
User: Please make a voicecall to steve, no call steve through video.
Parse: Initiate_call ( callee Personal_contact ( person « steve » ) format « video » )