根据汉语提示完成对话。
(Situation: One day Linda and George are talking about visiting Europe.)
Linda: Hello, George. What are you doing?
George: Hi, Linda.     1     (我正在看一本欧洲旅游指南).
Linda: Are you thinking of visiting Europe some day?
George: Yes, I’m looking to such a trip. Hey,     2     (你去过那里吗)?
Linda: Yes. I’ve actually visited my countries in Europe; France, Germany, Italy and Austria, for example.
George: When did you go there? And     3     (你待了多久)?
Linda: Two years ago. For over one month.
George: Did you like it?
Linda: Of course. There are many ancient churches and castles.     4     (这是我所经历过的最好的一次旅行).
George: Sounds great. I decide to make a trip next October on my annual leave.
Linda:     5     (好主意). You won’t regret it.