[Feature Request]: Hello, if possible, we'd like to customize responses when there's no relevant content in the knowledge base.

[live98563]

Is there an existing issue for the same feature request?

• [X] I have checked the existing issues.

Is your feature request related to a problem?

When a user asks a question and there's no relevant content in the knowledge base, we can reply with a custom message.

For example:
Knowledge base: 1. Professional knowledge
User input: Hello, xxxxxx?
[No relevant content found]
Assistant output: Sorry, I'm unable to answer your question. You can submit a ticket at https://xxx.com.

Describe the feature you'd like

When a user asks a question and there's no relevant content in the knowledge base, we can reply with a custom message.

Describe implementation you've considered

No response

Documentation, adoption, use case

No response

Additional information

No response