public function registerUser(Request $request)
{
if ($request->input('user') == 'passenger') {
$user = new Passenger();
$user->firstName = $request->input('firstName');
$user->lastName = $request->input('lastName');
$user->nic = $request->input('nic');
$user->contactNo = $request->input('contactNo');
$user->password = $request->input('password');
$user->savePassenger($user);
} elseif ($request->input('user') == 'driver') {
$user = new Driver();
$user->firstName = $request->input('firstName');
$user->lastName = $request->input('lastName');
$user->contactNo = $request->input('contactNo');
$user->password = $request->input('password');
$user->saveDriver($user);
}
}