Update app.py

app.py

@@ -15,6 +15,11 @@ with st.sidebar:
     dubs_key = st.text_input("Enter Dubs Key", key="chatbot_api_key", type="password")
     st.markdown("### Dubs Recall")
     st.markdown("Coming Soon!")
+    if st.button("🔄 New Chat"):
+        st.session_state["messages"] = [
+            {"role": "system", "content": "You are DUBS, a helpful assistant capable of conversing in a friendly and knowledgeable way."},
+            {"role": "assistant", "content": "Hello! How can I assist you today?"}
+        ]
 
 # Template for serializing chat history
 CHAT_TEMPLATE = """
@@ -79,6 +84,7 @@ def call_api(chat_history):
 # Chat History Initialization
 if "messages" not in st.session_state:
     st.session_state["messages"] = [
+        {"role": "system", "content": "You are DUBS, a helpful assistant capable of conversing in a friendly and knowledgeable way."},
         {"role": "assistant", "content": "Hello! How can I assist you today?"}
     ]