Here are a few ways you can use it:
As a noun:
* "I attended a conference on climate change last year."
* "The conference ended with a panel discussion."
As a verb:
* "We conferenced with the client about the project." (This is a less common use of the verb form, often used in a formal setting)
* "They conferred about the best course of action."
Let me know if you'd like more examples or have other questions!