第一句：I had a nice day.
我今天玩得很高兴。

A:Thank you. I had a nice day.
谢谢。我今天玩得很高兴。
B:It's my pleasure. It's my honor to be your tourist guide.
别客气。当你的导游是我的荣幸。

第二句：It's really nice talking to you.
和你谈话很开心。

A:Ladies and gentlemen, thank you so much for your cooperation today.
女士们先生们，非常感谢你们今天的合作。
B:It's really nice talking to you. I hope to see you again.
和你谈话很开心。希望再次见到你。

相关表达：

在向导游致谢时，也可以说：

You did a good job! 你干得不错！

You are amazing! 你真了不起！

You are an excellent tourist guide! 你是位很棒的导游！