{% load bootstrap4 %}

<p>
    Really delete Booking from {{ booking.start}} to {{ booking.end }}?
</p>
<p>
    <div id="booking_delete_form_div">
        <a href="{% url 'booking:delete_booking' booking_id=booking.id %}" class="btn btn btn-danger">Delete Booking</a>
    </div>
</p>