Congratulations! It’s your special day. You just got engaged (or married) and you’re jetting off to some fabulous destination to celebrate your love. You board your plane with confirmed coach seats and pray to the upgrade gods that your flight crew is so ecstatic about your newly minted union that they whisk you off to first class with Champagne on ice, fine chocolates, and ample legroom. Of course, it's all on the house.But is it actually possible to snag an upgrade or is it just a far-fetched dream you fantasize about while a toddler-gone-wild kicks the back of your ordinary, cramped seat?Most airlines are bound by operating manuals and a drive for revenue, so they're not likely to openly admit that they give upgrades to lovebirds flying with them, though some flight crews will unofficially offer special treats for couples traveling on their honeymoon.There have been plenty of stories of couples popping the question at altitude or newlyweds getting thrilled at 30,000 feet (and one heartwarming story where a flight attendant ended up serving as the witness for two passengers getting married). There was also the recent story of a man who plotted with Austrian Airlines to both propose to and marry his now-wife inflight. They may not have gotten a traditional seat upgrade, but they sure did enjoy the royal treatment.“As for upgrades, customers are always welcome to ask, however, it very much depends on the bookings and availability. The Emirates cabin crew does make its best efforts to make the experience special for honeymooners,” said Emirates spokesperson Melanie Garvey.Similarly, Hawaiian Airlines, which flies many lovebirds to their tropical honeymoon destinations, won’t admit to giving free upgrades, but spokesperson Alison Croyle relayed that it "always provides the aloha spirit to the many newlyweds traveling to our beautiful islands to celebrate their I Dos.”That seemed to be the official sentiment of nearly every major airline that was asked to comment. While it’s not out of the question to snag an upgrade to business or first class, remember that there’s no secret formula to guarantee it — unless you fork over the dough to secure your premium seat.That said, here are some tips to help increase your odds:A little smile and salutation to your flight attendants can go a long way. They deal with irate people and tense circumstances all day, so if you’re the one in 1,000 who gives them a big, genuine smile and friendly greeting, it will only play in your favor. If you really want to score points, buying your flight crew a box of chocolates is one way to bolster your case for an upgrade. If you position the gift as “we’re so excited that we just got engaged and wanted to share the love,” they just might be more likely to go the extra mile for you.