Messaging- Ability to see the free-text messages that an end-user sent to answer bot

I'm pretty sure there is not currently a way to do this- do let me know if there is one!

I'd like to see or at least be able to report on the free-text messages that are sent to Answer Bot during the flow builder stage, especially if the answer bot was unsuccessful and did not find any relevant articles to suggest. 

This would only apply to conversations in which they engaged with the Answer Bot and did not request to be transferred to an agent (I do understand that the entire conversation history is included when the conversation is transferred to an agent).

We need this feature as it allows us to improve our existing articles or write new ones based on the questions end-users are asking.