Can I help you ?
neutral
user
I'd like a pair of sports shoes .
neutral
assistant
Well , we have all kinds of sports shoes.Could you tell me what kind of sport you usually do ?
neutral
user
I just like jogging .
neutral
assistant
OK , then you can buy a pair of jogging shoes.Here are jogging shoes.Which pair do you like best ?
neutral
user
Er ... , that blue pair . I need size 43 , please .
neutral
assistant
Here you are.You can try them on .
neutral
user
Very comfortable . I'll take them .
happiness
assistant