netbox-community-netbox/netbox/templates/dcim/rackreservation_edit.html

{% extends 'utilities/obj_edit.html' %}
{% load form_helpers %}

{% block form %}
    <div class="panel panel-default">
        <div class="panel-heading"><strong>Rack Reservation</strong></div>
        <div class="panel-body">
            {% render_field form.site %}
            {% render_field form.rack_group %}
            {% render_field form.rack %}
            {% render_field form.units %}
            {% render_field form.user %}
            {% render_field form.description %}
        </div>
    </div>
    <div class="panel panel-default">
        <div class="panel-heading"><strong>Tenant Assignment</strong></div>
        <div class="panel-body">
            {% render_field form.tenant_group %}
            {% render_field form.tenant %}
        </div>
    </div>
{% endblock %}