Adding labels to the chatbox

Making Start Chat button invisible after chat has started

app.py

@@ -291,8 +291,8 @@ with gr.Blocks() as demo:
 
             # Chat interface (hidden initially)
             with gr.Row(visible=False) as chat_interface:
-                chatbot = gr.Chatbot()
-                input_msg = gr.Textbox()
+                chatbot = gr.Chatbot(label='Chat with the itinerary')
+                input_msg = gr.Textbox(label='Ask a question')
 
             # Chat controls
             start_chat_btn = gr.Button("Start Chat", visible=False)
@@ -317,7 +317,9 @@ with gr.Blocks() as demo:
     ).then(
         lambda: gr.Row(visible=True),
         outputs=chat_interface
-    )
+    ).then(
+        lambda: gr.Button(visible=False),
+        outputs=start_chat_btn)
 
     input_msg.submit(
         respond,