Poem: "Postcards"

Postcards have no return address
Think about that now. 
Postcards have no return address
I don't know how
To reach you where you are
To reach you where you stand
With dreams across your eyes
And a pen in hand. 
Which desert sands you stand in 
I do not have a clue.
There's no address, remember? 
I can't reach you.