I paid landlocked travel agency / ticket2nepal travel agency for couple tickets from KTM to US and they sent me the confirmed tickets however now I found out that the ticket was just a reservation not an actual ticket. Is this travel agency a scam?

Regardless, I am spending a lot of time trying to contact the numbers here in the US and Nepal as well, none seem to be working, my emails are unanswered. I am at a point where I am thinking about suing this business. Any suggestions? Does anyone know who the actual owner of this company/ contact info other than what is listed on their website? Please help me out with whatever information you may have. Thanks!