public IHttpActionResult GetAllTickets() { GetLoginToken(); if (airlineCompanyLoginToken == null) { return(Unauthorized()); } FlyCenter = FlyingCenterSystem.GetInstance(); ILoggedInAirlineFacade airlineCompanyFacade = FlyCenter.GetFacede(airlineCompanyLoginToken) as ILoggedInAirlineFacade; IList <Ticket> tickets = airlineCompanyFacade.GetAllTicketsByAirline(airlineCompanyLoginToken); if (tickets.Count == 0) { return(NotFound()); } return(Ok(tickets)); }