<b>1) Update GoFlyyGetOrder.php Add id in Button<br>
Vendor/Module/Ui/Component/Listing/Column/GoFlyyGetOrder.php</b>

    public function prepareDataSource(array $dataSource)
        {
            if (isset($dataSource['data']['items'])) {
                $fieldName = $this->getData('name');
                foreach ($dataSource['data']['items'] as & $item) {
                    $order  = $this->orderRepository->get($item["entity_id"]);
                    $goFlyyOrderId = $order->getData("goflyy_order_id");
                    if($goFlyyOrderId){
                        $item[$fieldName] = "<button class='button' id='FlyyOrderId_$goFlyyOrderId'><span>$goFlyyOrderId</span></button>";
                    }
                }
            }
    
            return $dataSource;
        }


<b>After Call Phtml in Sales Order Grid</b>

<b> 2) Create a File and add the code given below <br>
File : Vendor/Module/view/adminhtml/layout/sales_order_grid.xml</b>

    <?xml version="1.0" encoding="UTF-8"?>
    <page xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/page_configuration.xsd">
       <body>
          <referenceContainer name="root">
             <block class="Vendor\Module\Block\Adminhtml\FlyOrder" template="Vendo_Module::view/flyorder.phtml" name="vendor.fly.order" />
          </referenceContainer>
       </body>
    </page>

<b> 3) Create a block class and add a code <br>
File : Vendor\Module\Block\Adminhtml\FlyOrder.php </b>

    namespace Vendor\Module\Block\Adminhtml;
    
    class FlyOrder extends \Magento\Backend\Block\Template
    {
    	//Get Collection of goFlyyOrderId add you Logic
    	public function getFlyyOrderId(){
    		---------------------
    		return
    	}
    }


<b> 4) Create a template file flyorder.phtml in path <br>
File : Vendor/Module/view/adminhtml/templates/view/flyorder.phtml </b>

    <script type="text/javascript">
    require([
        'jquery', 
        'Magento_Ui/js/modal/modal'
        ], function($, modal) {            
            $(document).ready(function(){  
                var options = {
                    type: 'popup',
                    responsive: true,
                    innerScroll: true,
                    title: 'Open Modal'
                };              
                $("#FlyyOrderId_<?php echo $block->getFlyyOrderId();?>").on('click',function(){                                                                               
                    $("#popup-modal-main<?php echo $block->getFlyyOrderId();?>").modal(options).modal('openModal');
                });
            });
        });        
    </script>