Japanese phrase
___を一人追加できますか？ ___ o hito ri tsui ka de ki ma su ka
Meaning
Can I add one more ___?
When to use it
Politely asks to include one more person. It is commonly used when changing a booking or other arrangement, and it sounds gentle and respectful.
Example dialogue
参加者を一人追加できますか？ san ka sha o hito ri tsui ka de ki ma su ka
Can I add one more participant?
確認してみます。 kaku nin shi te mi ma su
Let me check.