Hello. Is the bike still available?
Hi yes it is 
Great. Does it ride well?
yes absolutely. Its a great deal
Thanks. One last question. Is the chain in good condition?
Yes absolutely. Its in great condition. 
Cool. Would you accept $735 for it?
sorry that's too low. You're getting a bargain of a deal. I can give you $900
I can't do $900. Would you accept $835 for it?
Okay as far as you can come get it yourself then its fine by me