が欲しいのですが

I would like

→ が
phrase Uncommon #18,894
I would like A polite way to say that you want something, often used when making a request. The が欲しい part means “want,” while のですが softens the request and invites a response.
JA: 窓側の席が欲しいのですが。
EN: I would like a window seat.

コートのすぐそばの席が欲しいのですが

I'd like a seat right next to the court, please.

が欲しいのですが

I’d like some water, please.

何か食べるものが欲しいのですが

I’d like something to eat.

この背広似合うネクタイが欲しいのですが

I'd like a tie that goes well with this suit.

テレビが欲しいのですが買う余裕がありません

I want a TV, but I can't afford to buy one.

この人形が欲しいのですが

I’d like this doll, please.

アスピリンが欲しいのですが

I’d like some aspirin, please.

内側ついたコートが欲しいのですが

I’d like a coat with a fur lining.