The ticket finder will not allow you to buy tickets directly with them, but that does not mean that you cannot see what your reservations are like, then you can click on my trips, choose the trip you want and take a look at your reservation. . 

When you make a reservation with a ticket search engine and it does not appear on the airline, it is most likely an error on your part. Go through all your data on ticket information and your email and things like that. If everything is correct, contact the company. 

Depending on the coupon you can accumulate. If you want to accumulate cumulative coupons you can do so, however, on the contrary, promotional coupons cannot be grouped.