French phrase
Quel service dois-je ~ ?
Meaning
Which service should I ___?
When to use it
A polite way to ask which service is needed. It is practical and businesslike in tone.
Example dialogue
Quel service dois-je vous fournir ?
Which service should I provide for you?
Une bouteille d'eau et des serviettes, s'il vous plaît.
A bottle of water and some towels, please.