title: How to change Flash message in Alert message in Symfony2
body: <p>I am stuck in a problem, that after execution of a action method in Symfony2 Controller , success message is come as in the form of flash message , but as per requirement i have to render these success message in the form of alert message or dialogue message . </p>
  
  <p>I am trying all to do this but did't get success. </p>
  
  <p>Is any idea is available regarding this issue. If available please help  me .</p>
  
  <p>Thanks in Advanced.</p>