Holyoke (Mass.) Retirement System will interview finalists TA Associates, ING Clarion and CNL in early September in the $147 million system's search for a private real estate manager to run $1.5 million, said Cheryl Dugre, assistant executive director. Fund officials plan to make a selection the same day. Segal Advisors is assisting. The funding source has not been determined, Ms. Dugre said.