How can i custamize in house training details page (add/remove fileds) ?

Hi , I want to customize In House Training (IHT)details view page related courses ? example like "views-view-fields--xxx--block.tpl.php" ,currently i'm getting following field values when i click in house training title ->In house training date: ->Status: ->comment ->body but i need to add button after above fields so i need to create one view page block in templates location .how can i do this for that IHT View page ? Please advice. Thanks, Parvateesam.