Sayaka: Excuse me, is there free Wi-Fi here at the airport?

Jack: Yes, there is. There's free Wi-Fi in all the terminals.

Sayaka: How can I connect to it?

Jack: Just select the airport Wi-Fi network on your device, and accept the terms.

Sayaka: Is there a time limit for using it?

Jack: No, there isn't. You can use it as long as you need.