Помогите, пжл, распределить предложения по порядку.

1. Can I help you? 2. Do you have these shoes in size 38? 3. Here you are. Would you like to try them on? 4. Yes, please. They're a bit too small  - could I try 39? 5. I'll go and check for you... 6. I'm afraid we only have sizes 36 and 40 7. I'll leave it then. Thank you 8. Thank you