user_query: Show my tasks
response_text: You have thirteen reminders. Here are three: today at 6:00 AM, "water plant" Today at 4:00 PM, "Water garden" Today at 4:30 PM, "buy milk". Do you want to hear more?
User: call the number 222-333-5555
Parse: Initiate_call ( callee Contactable_entity ( contact_id Phone_number ( id_form « 222-333-5555 » ) contact_id_type « number » ) )