Prepare input handling.

templates/hotel_html.mustache

@@ -8,7 +8,8 @@
 
 <h3><i class="material-icons">hotel</i> Hotel Reservation</h3>
 
-<form action="./" method="post">
+<form action="./send" method="post">
+    <input type="hidden" name="form_type" value="{{action}}"/>
 
 {{#form_data}}
 <h4>{{group_name}}</h4>
@@ -17,7 +18,6 @@
         {{>mdl_input}}
     {{/fields}}
 
-
 {{/form_data}}
 
 <p>