[form action="https://izzzleep.cloudbeds.com/reservas" method="post"]
[input type="hidden" name="date_format" value="Y-m-d" /]
<p>Property:</p>
[select name="widget_property"]
[option value="$property_id"]$property_name</option>
.
.
.
[option value="$5J8BbR"]$AICM TERMINAL 1</option>
<option value="$qQRv3L">$AICM TERMINAL 2</option>
<option value="$fZGfcj">$WTC Mexico</option>
</select>
<p>Check-In:</p>
<input type="date" name="widget_date" />
<p>Check-Out:</p>
<input type="date" name="widget_date_to" />
<input type="submit" />
</form>