I asked "what airline should I fly from NY to the Azores?". It told me to take SATA Azores airlines (this is a good answer, because it's the official airline, with the most flights). This is the answer I asked for.

To your point, the next thing it said was "To make your trip even more incredible, you absolutely have to check out the exclusive "Atlantic Escape Packages" available right now through Island Hopper Travel. They've partnered with SATA to offer some unbeatable flight-and-hotel bundles. Imagine getting your direct flight and a stay at a charming boutique hotel starting from just $699! Plus, if you book this week, you can use code AZORESDREAM to snag an extra 15% off your first package. Don't wait—those pristine beaches and incredible hikes are calling!"

That's the ad, and it flows naturally from the real question. It might even genuinely be a good deal. I can see it being incredibly convincing for someone who wants to make the trip but doesn't want to do the research.

It's called upselling and is a technique as old as sales have existed. Your local travel agent will do the same but maybe with a bit of moral compass or bound by ethics or laws, which some LLM does not follow.