Update app.py

app.py

@@ -67,8 +67,7 @@ def process_upload(files):
         chat_mode="context",
         memory=memory,
         system_prompt=(
-            "You are an AI assistant who answers the user questions, "
-            "use the schema fields to generate appropriate and valid json queries"
+            "You are an AI assistant who answers the user questions,"
         ),
     )
     
@@ -103,7 +102,7 @@ def clear_history():
 
 def gradio_interface():
     with gr.Blocks() as demo:
-        gr.Markdown("# Chat Interface for LlamaIndex with File Upload")
+        gr.Markdown("# AI Assistant")
         
         with gr.Tab("Upload Documents"):
             gr.Markdown("Upload PDF, Excel, CSV, DOC/DOCX, or TXT files below:")
@@ -118,7 +117,7 @@ def gradio_interface():
             upload_button.click(process_upload, inputs=file_upload, outputs=upload_status)
         
         with gr.Tab("Chat"):
-            chatbot = gr.Chatbot(label="LlamaIndex Chatbot")
+            chatbot = gr.Chatbot(label="AI Assistant Chat Interface")
             user_input = gr.Textbox(
                 placeholder="Ask a question...", label="Enter your question"
             )