No, the data entered into the form filed should only be the path, the URL to the movie trailer.
it will get converted to a link on the tickets.php
In the form filed, you should enter only the URL needed to get to the movie trailer:
then it gets converted to a link by using this code on the tickets.php page:
<a href="<?php echo $row_RSticketbooth['MOVIE_TRAILER']; ?>"><?php echo $row_RSticketbooth['MOVIE_TRAILER']; ?></a>