Any activity within Flint can be made into a verbal conversation! To do this, first head to "Activity settings". You can ask the builder chat to make Flint communicate with students via listening or reading and allow students to respond with speaking or writing.
You can also set this within the "Build manually" under the "Language" section. By changing the "Input method", you can change whether the tutee will be able to write to the AI, speak to the AI, or both:
By changing the "Output method", you can change whether the tutee will be able to read the AI's responses, listen to the AI's responses, or both: