The player has not been in contact with United boss Alex Ferguson for three weeks, but he is confident he will end up being a United regular in the future.
He said: "I think Sir Alex is looking out for me. I spoke to him three weeks ago on the phone and I spoke to him before I came here.
"He said: 'If there's anything you need, just call me.' Because he's still my coach. I still feel like I'm in his long-term plans, of course. My ambition is to be part of Manchester United because that's where I want to go.
"I've been at Sampdoria for a month now and I'm really happy. Obviously it's not like Manchester United - because Manchester United is a proper club - but I'm happy to be here and I want to do well, for myself and the team.
"I've got six months on loan and I hope to do well to get back there even stronger to show what I can do."