Argument to retrieve Posts via WP_Query() and display them in a loop

<?php
 // listing all services
 $args = array(
 'post_type' => 'post', // get from posts
 'posts_per_page'=>6, // set the maximum number of posts
 );
 $the_query = new WP_Query( $args );

<?php if ( $the_query->have_posts() ) { ?>
<!-- pagination here -->
 <!-- the loop -->
  <?php while ( $the_query->have_posts() ) : $the_query->the_post(); ?>
   <h2><?php the_title(); ?></h2>
   <?php endwhile; ?>
   <?php wp_reset_postdata(); 
?>
<?php }else{ ?>
 <p><?php _e( 'Sorry, no posts matched your criteria.' ); ?></p>
<?php } ?>