I think Bounce back offer is a one by which you will receive a coupon or an offer on your next purchase on buying one at the present.This is made to receive the customers again and again.
Dear Isha, he is not asking about the officer but the offer. I think it pertains to a selling strategy which deals with the bundling of product which means selling one product to the customer and recommending a new product.
It says that we shouldn't leave the customer after selling something to him.Rather he should be requested to buy something else if satisfied with the previous one.