Yes, there is a good chance that, after Hong Kong, you might be heading towards South Africa and come home that way unless they want to do Australia and come through the South Pacific.
Inside information, I would demand that table back since you were assigned to it by HAL, it's a great table and I would ask Presty to, at least, give you a bottle of Champagne as compensation.
Done it many times, Greek nights are cool, sweater needed, The Med. can be unpredictable and rainy, once out of Lisbon area the TA will be warm, hurricane season is coming to an end.