Last night after having drunk too much alcohol, Dick left the party quitely and left his car behind because he knew that drunk driving was dangerous and illegal.
Source
So he took a taxi to his destination.
From the party his friends phoned him and ask 'where have you gone?' He replied that having drank a bit too much he left his car behind and took a taxi home.
His friends asked, 'which house did you go?
Where are you now? the party was at your home.
Where is DICK your guess is as good as mine.