Excuse me , what do you want for this bag ?
neutral
user
Let me see . That one goes for $ 17 .
neutral
assistant
Would you take $ 12 ?
neutral
user
No , I can ’ t give it to you , let you have it for 12 . How about 14 ?
neutral
assistant
13.50 ?
neutral
user
Sorry , $ 14 is the lowest I can go .
sadness
assistant