Update app.py

app.py

@@ -14,8 +14,8 @@ st.title('AI ChatBot - Travel')
 st.subheader('powered by CloudHub (https://cloudhubs.nl/)')
 st.markdown("Ask about Travel")
 ##Choosing the GPT Model
-##model = "gpt-3.5-turbo"
-model = "gpt-4"
+model = "gpt-3.5-turbo"
+#model = "gpt-4"
 
 ##Initializing Session
 if 'generated' not in st.session_state: