By Lucia Mutikani WASHINGTON (Reuters) – U.S. job openings fell less than expected in May, pointing to a still tight labor market that could keep the Federal Reserve on an aggressive monetary policy path as it battles high inflation. Though a survey from the Institute for Supply Management on Wednesday showed its measure of services sector employment contracted in June for the third time in the last five months, businesses complained they were “unable to fill positions with qualified applicants,” and that “demand for talent is higher.” The Fed is trying to cool demand for labor and the overall…