public IActionResult Flight(string fromCode, string toCode)
{
FlightViewModel model = new FlightViewModel();
model.From = fromCode;
model.To = toCode;
model.departs = _flightRep.GetBy(model.From, model.To).ToArray();
model.returns = _flightRep.GetBy(model.To, model.From).ToArray();
return(View(model));
}