Better not order !!!

I ordered 2x 55 Heart balloons + 2 helium bottles. They're also arrived very punctual, as we have used them to 11:10:14. What I ever thought was great. The package I opened only on Saturday when we have the balloons filled with helium. Now to the problem. When we did, we had to find out after a short time that the helium bottle almost gives up the ghost. And so it was, unfortunately. The second helium bottle was not just better, so we could unfortunately only fill of the 110 balloons, 70. The other 10 balloons were already inside holes, so that we could no longer use. We are very sparingly with the helium because we definitely had to fill all the balloons or had. We always have so much helium in, so you could at least recognize the heart shape. To be honest, it was an embarrassing thing for me because I had factored in for my guests at the wedding, who gets everything a balloon. So not everyone got a balloon, as we only had 70 balloons available instead of 110 .. I have the 30 balloons lifted, for which we had no helium left. Personally, I've been really angry and you must now clear up on this issue. I have 85 paid by was guaranteed to me that is a sufficient helium bottle for 55 balloons ..
So I got in touch, and I was told that this can not be ... And a gesture of goodwill they have paid me only 15 back, even though I had paid 85, of which I could not do anything with 30 balloons !!! The way has been written back as me, was an impertinence! Therefore, only 1 star for the quick delivery!