I had this idea because my father suffers from Parkinsons disease and gets quite lonely in the house during the day. He lives in Florida and I life in California and I can't call him as much as I would like to given the time difference. I know he gets lonely and would love to just have a conversation with someone during the day. I would pay to have someone skype him for 20-30 minutes in the middle of the day just to provide some conversation.
I am guessing that there are many other people who are in my situation with sick or elderly relatives. I know I would pay for a service like this and you would be bringing happiness into peoples lives.