Maegan Elizabeth Dowdle of Nashville, Tenn., and Chase Everett Manning of Kingsport plan to be married at 7 p.m., Aug. 7, 2010 at the Croft House at Grassmere.The bride-elect is the daughter of Mr. and Mrs. Glynn James Dowdle of Nashville, and the granddaughter of Mr. and Mrs. John W. Measells of Jackson, Tenn., Mrs. Martha J. Dowdle of Mosspoint, Miss., and the late James L. Dowdle. She graduated from Harpeth Hall School, Nashville, and will graduate in December from the University of Tennessee at Chattanooga, where she is an alumna of Sigma Kappa sorority and the University Honors Program.The bridegroom-to-be is the son of the Rev. Janet Batts of Kingsport, and Charles W. Manning of Mountain Home, Tenn. He is the grandson of Mr. and Mrs. John Marshall of Kingsport. He graduated in 2009 from the University of Tennessee at Chattanooga, where he is an alumnus of Lambda Chi fraternity and the Student Government Association. He is in the management training program at Enterprise Rent-A-Car.