Could I reserve a table?

Meaning

Would it be possible to book a table?

Examples

• John: Excuse me, <b>Could I reserve a table</b> for two tonight?
• Alice: Certainly, sir. What time would that be?
• John: Around 7:30pm, please.
• Alice: Excellent. We'll have a table ready for you at 7:30pm. <b>Could I reserve a table</b> for you under your name?