Costumer:Excuse me, do you work here? 

Sales:Sure. Can I help you? 

C:I am looking for shampoo for hair washing 

S:No problem, I can help you find it. Follow me! 

C:Thanks! 

(Two people walking in the supermarket with the salesman leading) 

S:Here you go, which one do you prefer? I can find it for you. 

C:En, I don't really know. I used to buy Head&shoulder, but I want to change one.Which one do you recommand? 

S:I always use Clarol, it's pretty nice! 

C:All right, I'll get that one. 

S:See?(poiting to the shampoo) I can get it for you. 

C:Thanks a lot. 

S:Anything else? 

C:No, that's all I need, thank you. 

S:you are welcome, see ya! 

(the costumer walk to the cashier) 

Cashier:Good afternoon, how are you? 

Cos:I'm fine. 

Cash:Great, enjoy your shopping? 

Cost:Yeah, a lot. 

Cash:That's good. Ok, 36 dollars 4 cents. 

Cost:(finding money)Here you are. 

Cash:Thanks! Welcome again. 

Cost:Bye!