Can I help you?
What can I do for you?
Are you being served ?
Sorry, we don't sell stamps.
Anything else?
It's on offer.
Buy two for the price of one.
How much / many would you like?
What size do you take?
Sorry, we are out of bread .
Would another colour do?
Would you like to try it on?
The fitting room is over there.
The dress suits you very well.
Pay at the cash desk / till, please.
I'll take this to the cash desk / till for you.
Here you are. / Here you go.
You're welcome.
That's 20 euros/euro altogether .
You don't happen to have any change , do you?
Here's your change.