From:
{{request.events[0].dtstart|date:'medium'}}
To:
{{request.events[request.events.length-1].dtend|date:'medium'}}

Status:
{{request.status.title}}
Worked duration:
{{request.workperiod_recover[0].quantity| number}} {{request.workperiod_recover[0].right.quantity_dispUnit}} Hours
Selected recovery:
{{request.workperiod_recover[0].recoverQuantity.name}}
Entitlement quantity:
{{request.workperiod_recover[0].gainedQuantity| number}} {{request.workperiod_recover[0].right.quantity_dispUnit}}
Right given name:
{{request.workperiod_recover[0].right.name}}
{{request.workperiod_recover[0].summary}}