Can any one solve this question

Foundation of software eng.

Question One: Answer ALL the following questions Read the following case study: An automated ticket machine sells rail tickets. Users select their destination and input a credit card and a personal identification number. The rail ticket is issued and their credit card account charged. When the user presses the start button, a menu display of potential destinations is activated, along with a message to the user to select a destination and the type of ticket required Once a destination has been selected, the ticket price is displayed and customers are asked to input their credit card. Its validity is checked and the user is then asked to input their personal identifier (PIN). When the credit transaction has been validated, the ticket is issued with the system is gained. Discover ambiguities or omissions in the above statement of requirements for part of a ticket-issuing system. Suggest one user requirment and write the system requirment for it. A) B)