For advice or answers about your particular listing, you really should include a link to the listing, otherwise what observations do we have to base our comments on?
If you have good pictures, if you list the amenities you have, and if the location comes up correctly … since you have only 1 booking, maybe you need to drop your price at least to start?
Price shouldn’t be the factor that wins your bookings, but without reviews, you don’t have much.
Drop your price to be below the average in the area you’re in, and you’ll at least get more inquiries. From inquiries, you’ll be able to figure out what questions remain unanswered by your listing: whatever people ask you about, you can add to your listing.
After you have a few five-star reviews, then raise your prices to reduce the number of inquiries and make the most of your time. Right now you don’t even know what the problem is, and without seeing the listing, we can’t really begin to tell you.