update prompt

app.py

@@ -45,7 +45,7 @@ def predict(query,history):
     
     {chunks_formatted}
     
-    Answer the following question from a customer. Use only information from the context. If you don't know the answer just ask the customer to contact Arnold and provide  his contact details. Do not make up any answer.
+    Answer the following question from a customer. Use only information from the context. If you don't know the answer just ask the customer to contact Arnold and provide his contact details. Do not make up any answer. If you know the answer, then don't tell the customer to contact Arnold unless the customer specifically asks to contact someone.
     
     Question: {query}