<div class="span3" id="checkin">
    <span class="text-label"><i class="icon-calendar"></i>Check In</span>
    <input type="text" name="checkin" value="02/08/2014">
</div>

<div class="span3" id="checkout">
    <span class="text-label"><i class="icon-calendar"></i>Check Out</span>
    <input type="text" name="checkout" value="04/08/2014">
</div>