Originally Posted by STBCypriot

I've been researching RIX-IST-LAX/JFK-IST-RIX on ITA matrix to take advantage of some nice TK business class fares (also CAI-IST-LAX/JFK-IST-CAI) and ITA matrix shows availability but when I go to book them on TK or any of the major on-line TAs, I go through the entire booking process and when I actually go to buy I get a message saying that the fare class is not available and the price jumps over $1000. Why is this happening? This is a huge waste of my time - trying to book something that I think is available but actually isn't. Is there a way to avoid this? I've spent hours trying to come up with a bookable itinerary. Arghhhhh