He is not referring to saints or angels in heaven. I say that this is not proof. Jesus was telling parables. I'll ask you a question before I answer your questions. To say that anyone ascended with Christ to heaven would be mere speculation.
Speculation is one of the sources or causes for the spread of false doctrines.
All who were resurrected in the Bible were not ghosts but just as real as you and me. They could be talked to, touched and fed. Jesus and Lazarus are just two examples of this. You are praying to evil spirits. Here's one example of what happens when we try to contact the dead saints.