“…Flight tickets are one of the decisive travel products (Christiaanse and Venkatraman, 2002;Law et al, 2010); thus, collaborating with the airline companies in designing travel product connectivity and timetable coordination has been the strategic aim of travel agencies (Castillo-Manzano and L opez-Valpuesta, 2010;Christiaanse and Venkatraman, 2002;Granados et al, 2012a,b;Koo et al, 2011;Pearson et al, 2015). Moreover, Internet advances have boosted both the number of travel cyber intermediaries and the business models of airline companies and travel agencies (Daft and Albersb, 2015;Koo et al, 2011;Wei and Ozok, 2005), which in turn have enabled an increased online transparency of travel suppliers' products and prices.…”