The post asks how users can return to previous steps, correct mistakes, or change options without having to restart the bot. The comments suggest two approaches:
1. Adding a "Would you like to change something?" button input, with options to select "no" or each of the previous inputs.
2. Adding a "Back" button at every step that points to the previous step.
There is no explicitly marked answer in the comments.
Depends a lot on your flow. But I guess you could do something like a Button Input asking "Would you like to change something?" And the options would be "no" and each of your previous inputs.