Kelly File and Michael Kavalier are announcing their engagement and approaching marriage. Kelly is the daughter of Dr. Brad and Lynn Fielding of Edmond, Okla., and Steve and Kay File of Beggs, Okla. She is a graduate of Oklahoma State University and the University of Oklahoma's College of Law. She is employed by Oklahoma State University. Michael is the son of Rodney and Mary Jo Kavalier of Dysart. He is a graduate of Iowa State University and has two Master's Degrees from Oklahoma State University. He is employed by Chesapeake Energy. Kelly and Michael will exchange their vows in Oklahoma City on June 22, 3013, and plan to make their home in Stillwater, Okla. There will be an Iowa wedding celebration August 3 in Dysart.