Everyday
One way to say it.
Use these words, adapt them, or choose something else.

I need a little more time to choose. Could you show me the options on the menu?
Before you use it
Think about what you need and who you are speaking with. You can say the line, write it or show it. The other person may respond in different ways.
Ordering at a coffee shop
Availability depends on Apple approval and your region.