= form_for(@registration, url: conference_conference_registration_path(@conference.short_title)) do |f|
  = render partial: 'devise/registrations/new_embedded'
  = render partial: 'registration_info', locals: { f: f }
  = f.hidden_field :conference_id, value: @conference.id
  %p.pull-right
    - if @conference.user_registered?(current_user)
      = f.submit 'Update Registration', { class: 'btn btn-primary' }
    - else
      =f.submit 'Register', { class: 'btn btn-primary', id: 'register' }