boost::algorithm::replace_all (subject, "$START_TIME", start.str ());
boost::algorithm::replace_all (subject, "$END_TIME", end.str ());
boost::algorithm::replace_all (subject, "$CINEMA_NAME", i.cinema->name);
boost::algorithm::replace_all (subject, "$START_TIME", start.str ());
boost::algorithm::replace_all (subject, "$END_TIME", end.str ());
boost::algorithm::replace_all (subject, "$CINEMA_NAME", i.cinema->name);