Use case description Inspect Balloon

	Use Case Name:	Inspect Balloon
	Scenario:
	Triggering Event:	A party of customers is ready to undertake a flight they have booked.
	Brief Description:	Before a party of customers can commence their session, the
		accompanying staff member carries out an inspection of the balloon,
		checking for physical damage, integrity of equipment, balloon
		control systems, cleanliness, etc. If any of the checks fails, the system
		records the nature of the failure and issues an alert that the session
		cannot proceed until it has been rectified. If the checks are all OK, the
		system records this fact and issues the go-ahead for the session.
	Actors:	Staff member
	Stakeholders:	Staff member, manager
	Preconditions:	The balloon has been booked for a session, and this has been
		recorded in the system.
	Postconditions:	The session booking record has been updated to reflect the details of the
		balloon.
Flow of Activities:			Actor	System
			1. Staff member completes inspection checks 2. Staff member enters session record number for the booked session 3. Staff member enters details about physical damage, cleanliness. For the cleanliness there must be a statement to indicate that the problem is no longer an issue. 4. Staff member confirms inspection report complete.	2.1 System displays the information about the session (time, date, customers in party, etc) 2.2 System prompts for confirmation that the inspection checks have happened. 3.1 System records inspection details in session booking record. 3.2 If physical damage checks are failed, system advises session must not go ahead and balloon must be withdrawn until the problem is rectified. 3.3 If cleanliness test is failed and there isnt a statement of cleaning, system advises session must not go ahead until the balloon area is cleaned. 4.1 If all checks are OK, system confirms that session can go ahead 4.2 If any checks are failed, balloon flagged as out of use.
Exception Conditions:

question

1. Draw an activity diagram to represent the flow of activities for the use case Inspect Balloon as given above.

2. Draw a system sequence diagram for the use case Inspect Balloon that corresponds to your activity diagram in Q2.