Most products labelled "AI conversation" would be better served by a well-designed form. The reason is not that chat is wrong; it is that the cost of open input is rarely worth the marginal value over a few well-placed fields.
For a deeper take, see the related article on conversational interfaces, or browse the /articles archive.
The interface should match the shape of the question, not the shape of the model behind it.
This connects to several other pieces in the garden: notes on imposter syndrome in conversation design, and the Convoclub experiments.