I'm an infrequent QF flyer, with a SYD-MEL-SIN one way booking in late April. QF37 has been dropped, meaning I've been punted onto QF35 instead - which takes off before my SYD-MEL leg gets in! I assume an extra sweep will pick up the impossible connection and move the first leg too. Can anyone take an educated guess as to whether QF would respond positively were I to request a spot on the direct SYD-SIN flight, either on the same day or +/-1 day?