I have to leave for my flight at  5 pm; can you alert me 15 minutes before?
[IN:CREATE_REMINDER I have to [SL:TODO [IN:GET_TODO [SL:TODO leave for my flight ] [SL:DATE_TIME at 5 pm ] ] ] ; can you alert [SL:PERSON_REMINDED me ] [SL:DATE_TIME 15 minutes before ] ? ]