In pairs - at the airport. Create a conversation.
Student A: You work at the airport. There are different tickets: economy class costs €50, business class costs €100. There is no booking fee, all prices include taxes. All clients can pay either in cash or by credit card. The baggage allowance is 20 kg.
Student B: You are booking a flight to Madrid. You want to go with 3 friends. You want the cheapest flight possible. Ask about the booking fee, included taxes, baggage allowance and method of payment. Pay by credit card and ask for a confirmation.