Route::group(array('prefix' => 'account'), function(){
    Route::get('register', array(
        'before'  => 'guest',
        'as'      => 'account-create',
        'uses'    => 'AccountController@getCreate'
    ));

    Route::post('register', array(
        'before'  => 'guest|csrf',
        'as'      => 'account-create-post',
        'uses'    => 'AccountController@postCreate'
    ));

    Route::get('register/confirm', array(
        'before'  => 'guest',
        'as'      => 'account-create-confirm',
        'uses'    => 'AccountController@getCreateConfirm'
    ));

    Route::post('register/confirm', array(
        'before'  => 'guest|csrf',
        'as'      => 'account-create-confirm-post',
        'uses'    => 'AccountController@postCreateConfirm'
    ));

    Route::get('register/complete', array(
        'before'  => 'guest',
        'as'      => 'account-create-complete',
        'uses'    => 'AccountController@getCreateComplete'
    ));
});

<?php
class AccountController extends BaseController {

  private $form_session = 'register_form';

  public function getCreate()
  {
      if(Session::has($this->form_session))
      {
          // get forms session data
          $data = Session::get($this->form_session);

          // clear forms session data
          Session::forget($this->form_session);

          // load the form view /w the session data as input
          return View::make('account.create')->with('input',$data);
      }

      return View::make('account.create');
  }

  public function postCreate()
  {
      // set the form input to the session
      Session::set($this->form_session, Input::all());

      $validation_rules = array(
          'email'         => 'required|max:50|email|unique:users',
          'password'      => 'required|max:60|min:6',
          'password_conf' => 'required|max:60|same:password'
      );

      $validator = Validator::make(Input::all(), $validation_rules);

      // get forms session data
      $data = Session::get($this->form_session);

      // Return back to form w/ validation errors & session data as input
      if($validator->fails()) {
        return  Redirect::back()->withErrors($validator);
      }

      // redirect to the confirm step
      return Redirect::route('account-create-confirm');
  }

  public function getCreateConfirm()
  {
      // prevent access without filling out step1
      if(!Session::has($this->form_session)) {
        return Redirect::route('account-create');
      }

      // get forms session data
      $data = Session::get($this->form_session);

      // retun the confirm view w/ session data as input
      return View::make('account.create-confirm')->with('input', $data);
  }

  public function postCreateConfirm()
  {
      $data = Session::get($this->form_session);

      // insert into DB
      // send emails
      // etc.

      // clear forms session data
      Session::forget($this->form_session);

      // redirect to the complete/success step
      return Redirect::route('account-create-complete');
  }

  public function getCreateComplete() {
      return View::make('account.create-complete');
  }
}

<form action="{{ URL::route('account-create-post') }}" method="post">

    Email: <input type="text" name="email" value="{{ (isset($input['email'])) ? e($input['email']) : '' }}">
    @if($errors->has('email'))
        {{ $errors->first('email') }}
    @endif
    <br />

    Password: <input type="text" name="password" value="">
    @if($errors->has('password'))
        {{ $errors->first('password') }}
    @endif
    <br />

    Password Confirm: <input type="text" name="password_conf" value="">
    @if($errors->has('password_conf'))
        {{ $errors->first('password_conf') }}
    @endif
    <br />

    {{ Form::token() }}

    <input type="submit" value="Confirm">

</form>

Email: {{ $input['email']; }}
Password: {{ $input['password']; }}

<form action="{{ URL::route('account-create-confirm-post') }}" method="post">
    {{ Form::token() }}
    <a href="{{ URL::previous() }}">return</a>
    <input type="submit" name="submit_forward" value="Submit">
</form>

Email: {{ $input['email'] }}
Password: {{ $input['password'] }}

<form action="{{ URL::route('account-create-confirm-post') }}" method="post">
    <input type="hidden" name="email" value="{{ $input['email'] }}">
    <input type="hidden" name="password" value="{{ $input['password'] }}">
    {{ Form::token() }}
    <a href="{{ URL::previous() }}">return</a>
    <input type="submit" name="submit_forward" value="Submit">
</form>

Email: {{ $input['email'] }}
Password: {{ $input['password'] }}

<form action="{{ URL::route('account-create-confirm-post') }}" method="post">
    <input type="hidden" name="id" value="{{ $user_id }}">
    {{ Form::token() }}
    <a href="{{ URL::previous() }}">return</a>
    <input type="submit" name="submit_forward" value="Submit">
</form>

public function getCreate() {
      if ($this->formRememberService->hasData()) {
           return View::make('account.create')
                ->with('input', $this->formRememberService->getData());
      }
      return View::make('account.create');
 }

 public function postCreate() {
      $this->formRememberService->saveData(Input::all());
      // ...
 }

 public function postCreateConfirm() {
      // ...
      $this->formRememberService->clear();
      return Redirect::route('account-create-complete');
 }