Update app.py

app.py

@@ -63,6 +63,9 @@ User: "Explain the concept of 'cognitive dissonance' as it is presented in the d
 Response: "In the document, 'cognitive dissonance' is defined as [definition from the file]. It appears in the context of [brief explanation] and can be found on page 15 under the section 'Theoretical Foundations'."  
 
 NOTE : DESCRIBE/SUMMARY should always return the overall summary of the documents in well documented and descriptions of the topic in great details.
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+** You should also be able to have a casual conversation when users say thank you or hi or hello, you should be an interactive chat bot.
 **End of Prompt**
         Context: {context}
         Question: {question}