Je voudrais une table pour deux personnes, s'il vous plaît.

Pronunciation: zhuh voo-dreh oon tah-bluh poor duh pair-sohn, seel voo pleh.

Meaning: I would like a table for two people, please.

This is an essential restaurant phrase that demonstrates polite conditional tense usage; always add 'non-fumeur' (non-smoking) or specify your seating preference when making a reservation in France.