Originally Posted by yosithezet

I agree. So long as your reservation shows in the website of the airline, hotel or rental car company, no need to call. When there is no way to see your reservation, though your loyalty number was requested in the booking process, and now way to retrieve it with your name and the reservation number, it would be foolish not to check to make sure that there is some record of your booking. In this case, there simply was no booking with the property and the bookings were mapped to some hotel where nobody even spoke English in some country that isn't Singapore.