create another default class named VipPassenger which is a special type of Passenger. Its ticket price is $30$ dollars cheaper than a regular passenger.

Tasks:

$1.$ add a constructor.

Test cases:

VipPassenger vp$1=$ new VipPassenger$("$aisle$")$;

Passenger vp$2=$ new VipPassenger$("$middle$")$;

Passenger vp$3=$ new VipPassenger $("$aisle$")$;

System.out.println$($vp$2.$price$)$;