adjusted prompt and now using gpt-4

src/app.py

@@ -18,20 +18,22 @@ from src.core.parsing import read_file
 VECTOR_STORE = "faiss"
 MODEL = "openai"
 EMBEDDING = "openai"
-MODEL = "gpt-3.5-turbo-16k"
+MODEL = "gpt-4"
 K = 5
 USE_VERBOSE = True
 API_KEY = os.environ["OPENAI_API_KEY"]
+# , 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
+# If there is not enough information in the context to formulate a response, you must respond with
+# Do not to use prior knowledge when responding, you must only use the information provided in the context.
 system_template = """
-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
+You are an honest and helpful AI travel assistant. Your customer is talking to you about traveling to Croatia.
+Use the context below to respond to your customer.
+If the context does not contain enough information 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:
+Context:
 {context}
-End context.
 
 {chat_history}
 """
@@ -90,7 +92,7 @@ def predict(message):
     memory=memory,
     verbose=USE_VERBOSE,
     combine_docs_chain_kwargs={"prompt": qa_prompt})
-  chain.rephrase_question = False
+  chain.rephrase_question = True
   lock = Lock()
   lock.acquire()
   try: