Create a matrix representing the following flight times:
Departing
from
City 1
City 1
City 1
City 2
City 2
City 2
City 3
City 4
City 4
City 5
Arriving
at
Cit y 2
City 3
City 5
City 1
City 3
City 4
City 4
City 1
City 5
City 4
Flight
time
3.2 hours
3.5 hours
5.4 hours
2.6 hours
1.8 hours
2. 1 hours
3.8 hours
6.8 hours
7 hours
6.2 hours