SIOUX FALLS, S.D. — A man and woman from Minneapolis have pleaded not guilty to sex trafficking charges.

U.S. Attorney Brendan Johnson said 31-year-old David Nance and 26-year-old Ashley Crayton are charged with sex trafficking by force, fraud and coercion.

They each face a minimum of 15 years in prison and a $250,000 fine.

Johnson said the couple was arrested after a complaint of alleged prostitution at a Sioux Falls hotel.

A trial date has been set for Nov. 25.