- Can I help you?- What can I do for you?- I'd like to buy this book.- I'm looking for Kid's guide to Washington DC.- Here you are.- What about this one?- Can I have a look at it?- Yes, please.- Have a look at this one.- Here you are.- How much is it? Can I look at the pictures, please?- How much does it cost?- Yes, sure. Ten pounds and fifty pence.- Ten dollars.- Here's the money.- Thank you.- You are welcome.- Thank you. Have a nice day.- Thanks.- Bye.