French phrase
Un aller-retour ~, s'il vous plaît.
Meaning
A round-trip ticket to ___, please.
When to use it
A polite request for a round-trip ticket to a destination. Common at ticket counters and stations.
Example dialogue
Un aller-retour pour Paris, s'il vous plaît.
A round-trip ticket to Paris, please.
Pour quelles dates ?
What dates?