When do I have to leave my hotel to get to Diane's at 7pm?
[IN:GET_ESTIMATED_DEPARTURE When do I have to leave [SL:SOURCE [IN:GET_LOCATION [SL:CATEGORY_LOCATION my hotel ] ] ] to get to [SL:DESTINATION [IN:GET_LOCATION_HOME [SL:CONTACT Diane ] 's ] ] [SL:DATE_TIME_ARRIVAL at 7 pm ] ? ]