May I have a free city map?
我可以要一张免费城市地图吗？

A:Excuse me. May I have a free city map?
打扰了，我可以要一张免费城市地图吗？

B:Sure, here you are.
当然可以，给你。

A:Thank you very much. That's very nice of you.
多谢了！您真好！

B:Not at all.
不客气！

Do you have a sightseeing brochure for the city?
你有这座城市的旅游手册吗？

A:Do you have a sightseeing brochure for the city?
你有这座城市的旅游手册吗？

B:Yes, but I'm afraid it's not free.
是的，但不是免费的。

A:All right! I'll take one. Here is the money.
没关系，我买一本，给你钱。

B:Here is your change. Have a nice trip!
给您找零，祝您路途愉快！

知识延伸：

想要索取或购买旅游手册，还有以下相关的说法：

Please give me a sightseer's pamphlet.
请给我一本观光手册。

Where can I get a tourist handbook?
我在哪里可以买到旅游手册？