utt: tafadhali panga upya tarehe ya mkutano hadi saa kumi na mbili jioni kesho na uwajulishe wanachama
annot_utt: tafadhali panga upya tarehe ya [event_name : mkutano] hadi [time : saa kumi na mbili jioni] [date : kesho] na uwajulishe wanachama