The Bench: Phone Rings

He got out of bed, feeling freaked out. He headed to the bathroom to splash some cold water on his face, hoping it was still recognizable. A phone suddenly rang. It took him a few moments to find where the phone was. "Hello?" he said in a much higher voice than he'd have been capable of earlier. "Is this Jon?" a female voice said. "Yeah," he said, still confused. "I found this number in your cell. I found your bag. It has all your things in it. I'll give you my address and you can come over and get it." "Who is this?"