update prompt

app.py

@@ -14,13 +14,16 @@ def load_cv():
 cv_text = load_cv()
 
 def chat_with_ai(user_input):
-    prompt = f"{cv_text}\n\nUser: {user_input}\nAI:"
+    messages = [
+        {"role": "system", "content": "You are a helpful assistant that can only answer questions about Karthik Raja"},
+        {"role": "user", "content": f"{cv_text}\n\nUser: {user_input}"}
+    ]
+    
     response = openai.ChatCompletion.create(
         model="gpt-3.5-turbo",
-        messages=[
-            {"role": "user", "content": prompt}
-        ]
+        messages=messages
     )
+    
     return response.choices[0].message['content']
 
 def main(user_input):