Excuse me .
neutral
user
Yes ? How can I help you ?
neutral
assistant
Are these drinks on sale this weekend ?
neutral
user
Yes .
neutral
assistant
Can I buy more than one case ?
neutral
user
Yes . The limit is four per family .
neutral
assistant
Okay , I ’ ll take four , please . You saved me a lot .
happiness
user
I know . This is a really good bargain .
neutral
assistant
Thanks .
happiness
user
No problem .
happiness
assistant