Task: Dialogue State Tracking
Input (English): Buyer: IS this still available?
Seller: Hi! Are you interested in the classic Raleigh 3 speed bike? It's very nice, and I like a lot, but it's too small for me.
Buyer: Yes I am is it still available
Seller: Yes, it's still available.
Buyer: Has it been kept good on maintance
Seller: Yes, it has new tires and brakes, and the transmission has been very lovingly maintained.
Buyer: I am on a budget but my son wants this bike so much for his birthday would you be willing to take 115?
Seller: I could take $120 and deliver it to you. Would that work for you?
Buyer: Oh yes that sounds great would save me on gas and finding someone with a truck.
Seller: 
Buyer: 

Output (English): accepted