Here’s the matching for the phrases:

1. How can I **g help you?**
2. I'm just **h looking, thanks.**
3. Next, **i a bag?**
4. How much **e is it / are they?**
5. That comes to **d (£10), please.**
6. How would you **j like to pay?**
7. Can I pay by **b debit card / by credit card?**
8. Can I pay **a in cash?**
9. Enter your **l PIN, please.**
10. Here's your **k change and receipt.**
11. Could I have **f a receipt, please?**
12. Would you like **c like anything else?**
13. Would you **m please!**

Let me know if you need any more help!