public IHttpActionResult GetAllAirlineCompaniesByScheduledTime(string typeName) { FCS = FlyingCenterSystem.GetFlyingCenterSystemInstance(); IAnonymousUserFacade anonymousFacade = FCS.GetFacade(null) as IAnonymousUserFacade; IList <AirlineCompany> airlineCompanies = anonymousFacade.GetAllAirlineCompaniesByScheduledTime(typeName); if (airlineCompanies.Count == 0) { return(NotFound()); } return(Ok(airlineCompanies)); }