here i want to select Airline from a list this is the code:
        <div class="col-lg-2">
          <?= $form->field($model, 'Airline') ?>  
        </div>
        <div class="col-lg-2">
            <?= Html::label('Bdate', 'Bdate') ?>              
            <?= Html::activeInput('date', $model ,'Bdate',['class'=>'form-control']) ?>
        </div>
 
    