蓮(れん)
- Ren:
あの、大丈夫ですか?何かお困りですか?
Ano, daijōbu desu ka? Nanika okomari desu ka?
Excuse me, are you all right? Is something the matter?
- You could say
渋谷に行きたいんですが、どの電車ですか?
Shibuya ni ikitai n desu ga, dono densha desu ka?
I'd like to get to Shibuya. Which train do I take?

