What does "For what time should I make the reservation?" mean in English for Spanish?

In English for Spanish, "For what time should I make the reservation?" means:

¿A qué hora debería hacer la reservación?

Listen to "For what time should I make the reservation?": (If you have an HTML5 enabled browser, you can listen to the native audio below)

This is a phrase that is used in the GamesForLanguage English for Spanish Language Game in the following scenes:

• English for Spanish 4, Level 3, Scene 5