password reset confirmation page

We are using a custom login page that has form to reset your password (enter your username or email and you receive and email with a link to reset). My question is how to send the user to a custom URL (a page that says “Please check your email”)? Right now it just takes you to the same page you’re on, with no notification that your request has been submitted.

<form name="lostpasswordform" id="lostpasswordform" action="<?php echo esc_url( network_site_url( 'wp-login.php?action=lostpassword', 'login_post' ) ); ?>" method="post">