随便用5个英语短语写一个10句左右的对话

A:hello,can I help you?
B:no thank you.I want to buy books by myself.(by oneself)
A:ok,over there are some new books,you can go to see.(over there)
B:thank you.but,excuse me,can you tell me where the English books are?(excuse me)
A:oh,follow me,please.(follow me)
B:ok.you are really helpful.
A:it's my pleasure.(It's my pleasure)
B:how much is this book?
A:it's the best book with a cheap price here,you are really very smart.it's only $20.
B:oh,I will buy it,here is the money.
A:ok,thank you.see you next time.
再问： 短语能不能用稍微高级一点的，excuse me follow me 。。。。。。这些好像太简单点了，跪求啊！！！！！！！！！！！！！！
再答： 哦 A: hello,can I help you? B: no thank you.I want to buy books by myself. (by oneself) A: ok, over there are some new books,you can go to see.(over there) B:thank you.but, excuse me, can you tell me where the English books are?I have a difficult question up in the air. (excuse me,up in the air:悬而未决) A:oh, follow me,please. I am always all thumbs, please forgive me.(follow me,all thumbs:笨手笨脚) B:ok. you are really helpful.you see, I didn't study hard before, I want to be back on track.(back on track:改过自新） A: it's my pleasure. I do think you can make your dream come true. (It's my pleasure) B:how much is this book? A:it's the best book with a cheap price here, you are really very smart. it's only $20. B:oh, I will buy it, here is the money. A:ok, thank you. see you next time 可以吗 如果不行我再在网上搜些资料改进下 (*^__^*)