Based on the use case described and the screenshots provided, it seems that the issue you’ve encountered falls under Dialogflow Essentials.
Note that Google Groups are meant mostly for general discussion. To report issues, prefer using other channels. For your use case, you may consider reporting the issue via Issue Trackers for Dialogflow Essentials (as described here) or via the Google Cloud support console (as described here).
If you have any other questions, please follow the instructions on this page about how to file reports about Dialogflow Essentials vs. Dialogflow CX.