Complete the following shopping dialogue

Fill the gaps with the sentences below !

Wenn du Hilfe brauchst, klicke auf "Tipp" für einen richtigen Buchstaben in der aktuellen Lücke. Du verlierst allerdings Punkte, wenn du auf diese Hilfen zurückgreifst!
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----------------- Can I try it on ---------------- Can I help you ------------------ What colour
----------------- OK, I´ll take it ---------------- What size ------------------------ How much is it
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Shop assistant: ?
Customer: Yes, please. I´m looking for a sweater.

Shop assistant: ?
Customer: Medium, please.

Shop assistant: ?
Customer: Green or dark blue.
Shop assistant: What about this one ?

Customer: ?
Shop assistant: 22.50 pounds.

Customer: ?
Shop assistant: Certainly. Over there.

(After some time.)

Customer: .
Shop assistant: Anything else ?
Customer: No, thank you.