turned random into general chatbot

turned that chatbot of random choices into more dynamic conversation, added access token to access model :)

app.py

@@ -1,10 +1,25 @@
 import gradio as gr
-import random #added here 
+# import random #added here 
+from huggingface_hub import InferenceClient
 
-def respond_yes_no_randomly(message, history): 
-    responses = ["Yes", "No"]  #added here
-    return random.choice(responses) #added here 
+client = InferenceClient("microsoft/phi-4")
 
-chatbot = gr.ChatInterface(respond_yes_no_randomly, type="messages", title="Yes No Bot") 
+def respond(message, history): 
+
+    messages = [{"role": "system", "content": "You are a friendly chatbot!"}]
+
+    if history:
+        messages.extend(history)
+
+    messages.append({"role": "user", "content":message})
+
+    
+    response = client.chat_completion(
+        messages,
+        max_token=100
+    ) 
+    return response['choices'][0]['message']['content'].strip()
+
+chatbot = gr.ChatInterface(respond, type="messages", title="Friendly chatbot") 
 
 chatbot.launch()