got a call from this number; heard male voice on other end say yes but then dead air; i eventually hung up

I got the phone call claiming that I won $50000 canadian ,to claim the prize I have to give them my and my dad's name and claim the prize from western union. Within 30 second cnversation he ask me 6 times my and my father's name.When I Tried to get his details he hang up the phone.I called the western union, they denied having any prize money.
Be carefull they are SCAMMERS!!!!!!!!