how to send data from ajax get method to controller in laravel?

Proceed to booking on clicking the button i call the ajax function code below

$("#add_cart").click(function() 
    {$.ajax({
              url: 'roombooking',
              type: "get",
              data: {id:data},
               success: function(response){ // What to do if we succeed
              if(data == "success")
               alert(response); 
               }
               });
              });

Route

Route::post('roombooking','pagescontroller@roombooking');

Controller

public function roombooking($id,request $req)
    {

       $input = $req->all();
       return view ('pages.roombooking')->with('id',$id);
    }

via Chebli Mohamed