BTW, a friend of mine suggest to me now:<p><a href="https:&#x2F;&#x2F;www.rivescript.com&#x2F;" rel="nofollow">https:&#x2F;&#x2F;www.rivescript.com&#x2F;</a><p>That&#x27;s an AIML alternative that seems a bit better (no XML!), but I do not yet understood if I can do with rivescript a &quot;simple&quot; ecommerce &quot;script&quot; worflow I explained in my comments and on the github doc. I have to investigate.<p>giorgio