Vespa — vehicle is good but the service is very poor

I have purchased new vespa... This month the sales executive has convinced me and sold his vespa to me... Even though by doing wrong commitment he said there is no helmet for lx model but he said i will arrange for u... And now he is not giving me helmet... Vespa employees are very rude and fraud making customer fool by doing wrong commitment and playing with their emotions... Just because for their sales rubbish gyz... I m frusted plz help me out with this