And in the role of the servant girl , whom Lincoln Kirstein , founder of the New York City Ballet with Balanchine , described as '' Dulcinea as Ideal Woman , Repentant Magdalene , Innocent Shepherdess , Virgin of Seven Dolors , '' the choreographer cast the 19-year-old Roberta Sue Ficker from Cincinnati , recently re-christened , with a name pulled from the phone book , as Suzanne Farrell .