instruction: What are the different air routes for traveling between Genova (GOA) and San Francisco (SFO) from fastest to longest?
response: 1 - GOA-MUC-SFO (United Airlines)
  2 - GOA-FRA-SFO (United Airlines)
  3 - GOA-AMS-SFO (KLM)
  4 - GOA-FCO-SFO (ITA Airways)
  5 - GOA-FCO-JFK-SFO (ITA Airways + Delta Airlines)
  6 - GOA-FCO-LAX-SFO (ITA Airways + Delta Airlines)
  7 - GOA-AMS-JFK-SFO (KLM + Delta Airlines)
  8 - GOA-AMS-ATL-SFO (KLM + Delta Airlines)
  9 - GOA-AMS-MSP-SFO (KLM + Delta Airlines)