Update app.py

app.py

@@ -97,6 +97,7 @@ config = {"configurable": {"thread_id": str(uuid.uuid4())}}
 
 # Streamlit app layout
 st.title("LangChain Chat")
+clear_button = st.sidebar.button("Clear Conversation", key="clear")
 
 # Initialise session state variables
 if 'generated' not in st.session_state:
@@ -105,7 +106,7 @@ if 'past' not in st.session_state:
     st.session_state['past'] = []
 if 'messages' not in st.session_state:
     st.session_state['messages'] = [
-        {"role": "system", "content": "You are a helpful assistant."}
+        {"role": "system", "content": "Get the relevant info from the user"}
     ]