Website Migration Without Losing Traffic

1class BookingController extends Controller
2{
3    public function store(BookingRequest $request)
4    {
5        $slot = Slot::available()->findOrFail($request->slot_id);
6
7        $booking = $slot->book($request->user());
8        $booking->notify(new BookingConfirmed);
9
10        // Confirmation on WhatsApp and email
11        return to_route('bookings.show', $booking)
12    }
13}