they don't know what they are selling

I found a flight on skyscanner and chose Trip.com to buy it.
The ticket was Air Arabia from India to Moscow via the Emirates, sold without baggage. After I decided to add my luggage, but I couldn’t find my ticket on the AC site (the system couldn’t find my ticket using my reservation number). I contacted trip.com at The operator told me on the phone that I had purchased a ticket with a self-service connection (i.e., I would have to add my luggage).
On the phone, the operator told me that I had a ticket with a self-service connection (i.e., I would have to get the luggage in the Emirates and then check in again for the flight to Moscow and drop off the luggage). However, there was no note on the skyscanner about The operator said, “We are not responsible for the information that we have. To this my objection the operator said – we are not responsible for the information that provides Skyscanner. I say – but it’s the same AC! They say yes, maybe they will throw the luggage themselves, but it’s not for sure. In general, at It was actually a regular connecting flight, and Trip.com thought it was a self-docking flight, which got on my nerves (and by the way, if their site look for this ticket, it also showed a self-docking).

When asked about adding luggage, they created a request in their database and on The next day they sent a letter saying that they can’t add luggage, only I can do it on the AC site. To my objection that I do not see my The booking on the AK website said to contact AK. I wrote to AK, the reservation was confirmed, but to add luggage I had to call them in