# Tips & best practices

Improve the **Not understood** block to handle unrecognized inputs gracefully. 

{% content-ref url="/pages/gq4LI2rk9llIOsj8ED0B" %}
[Improve the Not understood block](/buildabot/tips-and-best-practices/improve-the-not-understood-block.md)
{% endcontent-ref %}

Go to the previous block for a more natural conversation.

{% content-ref url="/pages/-MX2OwZPCwidFI85F94D" %}
[Go to previous block](/buildabot/tips-and-best-practices/go-to-previous-bot-dialog.md)
{% endcontent-ref %}

Recognize returning users to provide a personalized experience. 

{% content-ref url="/pages/-LRkkpUz5YrrlKHljw5W" %}
[Recognizing a returning user](/buildabot/tips-and-best-practices/how-to-recognize-a-returning-bot-user.md)
{% endcontent-ref %}

Consider skipping the introduction message for returning users to streamline interactions. 

{% content-ref url="/pages/-Mkl5HtttYTNcsjqidDN" %}
[Skip introduction message](/buildabot/tips-and-best-practices/skip-introduction-message.md)
{% endcontent-ref %}

Adapt your flow based on the specific channel to enhance user experience, and reuse flows to maintain consistency and efficiency. 

{% content-ref url="/pages/q6CE5ZzdCkvo4yltO2pL" %}
[Route your flow depending on the channel](/buildabot/tips-and-best-practices/route-your-flow-depending-on-the-channel.md)
{% endcontent-ref %}

Connect multiple bots to each other when necessary to expand functionality and provide seamless user interactions. 

{% content-ref url="/pages/-MNgoDUOjjkufkFZn8Pp" %}
[Connect two bots to each other](/buildabot/tips-and-best-practices/frequently-asked-questions.md)
{% endcontent-ref %}


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