Heather says, " Okay, I'll think it over (I'll think about it) and get back to you." " To get back to someone" means to give an answer to someone at a later time.

希瑟说：“好吧，我会考虑一下（我会考虑一下）然后回复你。“回到某人身边”的意思是稍后给某人一个答案。