Hi! I would love to buy your island cart!
Hi, I think you will like my handmade kitchen island cart. 
Are you willing to negotiate a bit?$200 is a bit too much for me
Sure, I have a little bit of room. What is your offer?
$165?
Could you go $180?
That's not a bad offer. I can accept $180
Great! You have yourself a beautiful handmade kitchen island cart!