Task: Dialogue State Tracking
Input (English): Buyer: Hello, I seen your ad online for the Buenos Aires bike and I was wondering if it were still available?
Seller: Yes it is still available. Its an amazing bike. 202 Lemond with upgraded and new parts
Buyer: I seen that. The frame looks like its in great shape. And I see you are asking $825 for it. But with my current budget, I am hoping you will consider $577. 
Seller: $577 would be too low. How about $690. Its a great deal you wont regret it 
Buyer: How about $645 and I will pick it up and pay in cash today. 
Seller: I guess we can do that. You have a deal 
Seller: 
Buyer: Awsome. Just e-mail me your address and I'll be out as soon as possible! 
Buyer: 

Output (English): accepted