Okay, I figured it out.
I swear that I looked everywhere on Google to find the answer, but it magically just appeared now
<?php $awb = get_post_meta( $order->id, '_wc_acof_2', true ); ?>
<?php $curier = get_post_meta( $order->id, '_wc_acof_3', true ); ?>
<p style="line-height: 1px;">Comanda ta a fost pregatita pentru livrare si preluata de catre curier <?php echo $curier; ?> cu AWB nr: <?php echo $awb; ?><p>
