Formal — to staff
Convenience · Store
すみません、傘はありますか? — Excuse me, do you have umbrellas? (Convenience · Store, Formal — to staff, JLPT N5)
You
すみません、傘はありますか?
すみません、かさはありますか?
Excuse me, do you have umbrellas?
Romaji: Sumimasen, kasa wa arimasu ka? / Reply Romaji: Hai, iriguchi no yoko ni gozaimasu. Sochira kara otori kudasai.
Reply
はい、入り口の横にございます。そちらからお取りください。
はい、いりぐちのよこにございます。そちらからおとりください。
Yes, they are next to the entrance. Please take one from there.
Gesture & etiquette
A polite bow, possibly pointing outside if it's raining.
If it's raining heavily, they might be sold out. Consider buying a cheap one even if you have one, as they are very affordable and practical.