C: good morning!

SA: good morning, can I help you?

C: yes, please. I would like to buy a new mobile.

SA: that’s ok, what type of mobile do you want?

C: I prefer Iphone.

SA: what color do you prefer? We have got a blue, black or white one.

C: I like black.

SA: one moment…

     The shop assistant takes the mobile

SA: here you are!

C: thanks, how much is it?

SA: it’s 100£.

C: here you are

SA: thank you, bye!

C: bye!

After two days the mobile doesn’t work and the customers come back at shop.

C: hello!

SA: hello

C: the mobile doesn’t work but I buy it two days ago.

SA: that unlucky!

The shop assistant looks what is the problem.

SA: most likely there is a problem with a battery.

C: how much does it cost to repair?

SA: I don’t know. I think 90£.

C: how much does it cost to get a new one?

SA: it costs 95£.

C: that’s ok. I take a new one.

SA: ok. Here you are.

The customer takes the money.

C: here you are!

SA: thanks.

C: thank you. Bye!
SA: Bye!