https://www.transfermarkt.com/-ask-expert-now-trade-804-853-9001how-far-in-advance-can-you-book-a-klm-flight-24-trade-7-/thread/forum/696/thread_id/14629/page/1#anchor_15043https://www.transfermarkt.com/-ask-expert-now-trade-804-853-9001how-far-in-advance-can-you-book-a-klm-flight-24-trade-7-/thread/forum/696/thread_id/14629/page/1#anchor_15043