I'd like the alert time for the reminder about my call tonight to change from 9 pm to 9 : 30 pm .
[IN:UPDATE_REMINDER_DATE_TIME [SL:PERSON_REMINDED my ] [SL:TODO [IN:CREATE_CALL ] ] [SL:DATE_TIME tonight ] [SL:DATE_TIME from 9 pm ] [SL:DATE_TIME to 9 : 30 pm ] ]