If a girl refuses when you ask her to get to know her better, it's essential to be respectful and understanding of her decision. Here's an appropriate response:
"Thank you for your honesty and for letting me know how you feel. I completely respect your decision, and I understand if you're not comfortable getting to know me better at this time. If you ever change your mind or want to talk, feel free to reach out. Until then, I wish you all the best."
It's crucial to respect her boundaries and not pressure her into anything she's not comfortable with. Keep in mind that everyone has the right to decide when and how they want to get to know someone better. By responding gracefully, you show maturity and consideration for her feelings, regardless of the outcome.