add migration for notification. update booking confirmation

app/Http/Controllers/NotificationController.php

@@ -0,0 +1,10 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use Illuminate\Http\Request;
+
+class NotificationController extends Controller
+{
+    //
+}

app/Notification.php

@@ -0,0 +1,10 @@
+<?php
+
+namespace App;
+
+use Illuminate\Database\Eloquent\Model;
+
+class Notification extends Model
+{
+    protected $fillable = ['detail','user_id'];
+}