第一句：Would you please get me some hot water?
你能给我送些热水来吗？

第二句：Please bring us a bottle of just boiled water.
请给我们送瓶刚烧开的水来。

A: Is there anything I can do for you?
我能为您做什么？
B: Please bring us a bottle of just boiled water.
请给我们送瓶刚烧开的水来。
A: OK. Anything else I can do for you?
好的，还有其他要我为您做的吗？
B: No, thank you.
没有了，谢谢！

请求客房服务部提供开水的相关表达法还有：

I would like you to go and get me a flask of hot water.
我想请你给我拿一瓶开水来。

Is hot water available any time?
随时都有热水供应吗？

Please bring me some ice cubes and water.
请送给我一些冰块和水。