Varun's response is polite but lacks engagement and depth. While he acknowledges the question, he misses an opportunity to create rapport by asking about Avi's day, which is a common conversational practice. A more engaging response could have included a brief personal touch or a question back to the interviewer. For improvement, Varun could have responded with something like, "Hi Avi, my day has been going well, thank you! How about yours?"