User:

Initiates travel planning.

Makes choices for transportation, accommodation, and activities.

Completes secure payments.

Provides preferences for itinerary customization. Service Providers

$($

$$

$$

Transportation & Accommodation

$)$

$$

$$

:

Provides information and integrates with HolPlan for options. Payment Gateway:

Handles secure transactions with various payment options. Customer Support:

Assists users and addresses queries. We have a travel application and these are our actors. Please use these actors and select two major classes that is at the core of your application and draw a state diagram for each.