Nonononono! Don't shutter the conversation. You redirect and up-sale! Don't say:

Unfortunately we are unable to offer any discounts on our current product line at this time.

Have a great day.

Instead try:

Unfortunately we are unable to offer any discounts on our current product line at this time.

Would you like me to show you some of the models available in our post-consumer-recycled line? Or would you prefer something from our Virgin Silicon line — because there's nothing like the first time™.