U：Welcome to 店名,Can I help you?
C:Yes,I want to buy a bag.
U:What kinds of bags are you looking for?We have shoudle-bags,Lady-bags,Brief-cases,Backpacks and purses.
C:Lady-bags,thank you.
U:There are our hot Lady-bags in this year.What about this one?
C:Eh,I don't like this colour.Do you have black or gray one.
U:Yes,here you are.
C:Thank you.It's great and I like it.What 's the price?
U:500RMB
C:Can you make a discount for me
U:Sure,450RMB,It's the best price.
C:OK.It's my credit card.
U:I'm sorry .Do you have cash We don't get the credit card.
C:Yes,Here you are.
U:Thank you,and this's your price ticket.
C：Thanks.
U:Good bye,Mind you step and come to the next.
C:Bye.