Flight task

How to run

go run main.go

It will be run on endpoint:

http://localhost/flight

Send request by following example in json:

[["IND", "EWR"], ["SFO", "ATL"], ["GSO", "IND"], ["ATL", "GSO"]]

Response will be:

[ "SFO", "EWR" ]

Also, you may try test, just run service_test.go