changed prompt

src/app.py

@@ -23,7 +23,10 @@ K = 5
 USE_VERBOSE = True
 API_KEY = os.environ["OPENAI_API_KEY"]
 system_template = """
-The context below contains excerpts from 'Croatia,' by Insight Guides. You must only use the information in the context below to formulate your response. If there is not enough information to formulate  a response, you must respond with
+You are a chatbot, able to have normal interactions as well as answer questions about the 'Croatia', by Insight Guies.
+The context below contains excerpts from the book 'Croatia,' by Insight Guides, use this information to respond to the user's input.
+It's important that you do not use prior knowledge when responding, you must only use the information provided in the context.
+If there is not enough information in the context to formulate a response, you must respond with
 "I'm sorry, but I can't find the answer to your question in, the book Croatia by Insight Guides."
 
 Begin context: