import panel as pn
from time import sleep

pn.extension()

def get_response(contents, user, instance):
    if "turbine" in contents.lower():
        response = "A wind turbine converts wind energy into electricity."
    else:
        response = "Sorry, I don't know."
    sleep(1)
    return response

chat_bot = pn.chat.ChatInterface(callback=get_response, max_height=500)
chat_bot.send("Ask me what a wind turbine is", user="Assistant", respond=False)
chat_bot.servable()