flights = [
{airline: "Icelandair", price: 1621, stops: 3},
{airline: "Multiple airlines", price: undefined, stops: 2},
{airline: "Air France", price: 1948, stops: 0},
{airline: "WestJet", price: undefined, stops: 1},
{airline: "Air France", price: 1951, stops: 1},
{airline: "French Bee", price: 1780, stops: 1}
]