Danny:Excuse me.May I have a book, Jenny?
Jenny:OK! Here you are.
Danny:Thank you.
Jenny:You're welcome!
Danny:May I borrow two pencils, Jenny?
Jenny:Yes, you may.Here you are.
Danny:Thanks.May I have three crayons, Jenny?
Jenny:Sorry, Danny.I don't have any crayons.
Danny:That's OK.I can go and buy some at the store.I can get some for you, too. Goodbye!
Jenny:Thank you, Danny.See you later.