Check in your luggage directly to your final destination, unless you are planning a break in the journey.

Collect / fill in / attach baggage tags for all pieces of your hand baggage.

Confirm your food-preference.

Collect your Embarkation Card (required to be filled in and handed over at Immigration-check in some countries, not all).

Confirm that you have taken all your important documents viz. passport, boarding card(s) and baggage tags before you leave the counter.