Find transport to the desert:
Hangar:
Look around. Click on Fuffy Wilson, the pilot and see that he is drunk.
Go to the shelving rear of the room. Take the cup with water at middle shelf.
Open all the drawers to get: coffee, coffee pot, sugar, ammonia and matches.
Go back to the front of the plane. Try to use the ammonia on Fuffy.
Make coffee: In inventory, combine cup with water and coffee pot.
Combine coffee pot with water and coffee. Add sugar to coffee pot with water and coffee.
Click on small gas stove left of the green cloth.
Place the filled coffee pot on the gas stove.
Use matches on gas stove. Diamon automatically takes the boiled coffee.
Combine the boiled coffee with empty cup to get cup of coffee.
Use the cup of coffee on Fuffy Wilson.
Diamon tells Fatima to tell Wilson that he'll buy him a new plane since he will fly the plane himself.