French phrase
Je voudrais régler ~.
Meaning
I'd like to pay for ___.
When to use it
A polite way to offer to make a payment. Common in hotels and restaurants, with a restrained and courteous tone.
Example dialogue
Je voudrais régler ma chambre.
I'd like to pay for my room.
Très bien, vous préférez payer maintenant ou au départ ?
Very well, would you prefer to pay now or at checkout?