public ActionResult NewTravelRequest(int id = 0)
{
TrvReq req = new TrvReq();
req = travelHelper.GetRequest(id);
ViewBag.Empresas = travelHelper.GetEmpresas();
ViewBag.Transporte = travelHelper.GetTransporte();
ViewBag.Turnos = travelHelper.GetTurnos();
return(View(req));
}