app/views/sessions/_retrieve_password.html.erb
<%= simple_form_for @user, :url => password_reset_path(params[:id]) do |f| %>
<%= f.input :password, :label => I18n.t('password') %>
<%= f.input :password_confirmation, :label => I18n.t('password_confirmation') %>
<div class="actions">
<%= f.submit I18n.t('edit_password') %>
</div>
<% end %>