Your prices seem a little high .
neutral
user
We could make it lower for you . What's your counter-offer ?
neutral
assistant
We make a counter-offer to you of $ 150 per metric ton F . O . B . London .
neutral
user
If you order in large lots , we'll accept the price .
neutral
assistant
OK . We will increase our order .
neutral
user
All right , as a token of friendship , we accept your counter-offer .
neutral
assistant