I had booked my flight with tg via tg website.. (yangon/bkk/yangon). As I am holding a gold membership of singapore airline kf club (also an alliance with star alliance group of airlines) I was denied to exercise the membership rights to access to the sky lounge in yangon. I later spoke to the counter and was told that this flight which I am flying is a coach share with thai smile.. Is this the airline practice to refuse its membership rights when an alliance partner coach share with other non alliance partner flights? If so I believed it should be clearly told to passenger when doing our booking!! Your review is most appreciated..