Utterance: weka  kwenye kalenda yangu tarehe 28  mwezi  wa pili nitakuwa na chakula cha jioni na Grace saa mbili usiku 
English: add dinner with Grace on 28 february at 8 pm on my calendar
Intent: calendar_update
Slots: MEAL_PERIOD: dinner $$ PERSONAL_NAME: Grace $$ DATE: 28 february $$ TIME: 8 pm