Your form needs to have multi-submit
enabled.
<form multi-submit="reset">
...
</form>
Please refer to the documentation for more details.
https://docs.developers.symphony.com/building-bots-on-symphony/messages/overview-of-messageml/symphony-elements-1#attributes
Can you provide the relevant code you're using, the exact steps you took and perhaps screenshots of the result?
Please edit your question or use this comments thread instead of posting an answer