Ich hätte gerne ein Tisch für zwei Personen am Freitagabend.

Pronunciation: Ikh HET-uh GER-nuh ein Tish foo-r TSVY PER-zoh-nen ahm FRY-tahk-ah-bent.

Meaning: I would like a table for two people on Friday evening.

This is an essential restaurant reservation phrase using the polite conditional form 'hätte gerne' (would like), which is more sophisticated than 'ich möchte' and shows good dining etiquette in German-speaking countries.