holding that the employer took prompt remedial action to end sexual harassment of an employee rubbing his penis against the victim's backside while she was working, among other things, because the harasser was instructed to avoid contact with the victim, counseled on ending the harassment, the victim was reassigned to a cubicle to minimize contact with the employee, and the harassment ceased despite subsequent staring from the employee

finding significantly diminished material responsibilities where the plaintiff "no longer supervises or coordinates the work of any other employees and does not have any involvement with the budget," and where the employee's "only duties are to answer telephones, do some filing, and schedule some meetings"