Formal — to staff
Convenience · Store
すみません、この機械の使い方がわからなくて、手伝っていただけますか? — Excuse me, I don't know how to use this machine, could you please help me? (Convenience · Store, Formal — to staff, JLPT N4)
You
すみません、この機械の使い方がわからなくて、手伝っていただけますか?
すみません、このきかいのつかいかたがわからなくて、てつだっていただけますか?
Excuse me, I don't know how to use this machine, could you please help me?
Romaji: Sumimasen, kono kikai no tsukai-kata ga wakaranakute, tetsudatte itadakemasu ka? / Reply Romaji: Kashikomarimashita. Nani o go-riyō ni narimasu ka?
Reply
かしこまりました。何をご利用になりますか?
かしこまりました。なにをごりようになりますか?
Certainly. What would you like to use it for?
Gesture & etiquette
Point to the machine with a confused expression.
Be ready to clearly state what service you need (e.g., "concert tickets," "payment for online shopping," "bus tickets"). It's helpful to have a confirmation number or relevant details ready.