public void bookingDetails() {
        boolean valid = false;
        String familyName;
        String givenName;
        String input;
        LocalDateTime bookingSlot = LocalDateTime.now();
        int reqWorkStations;
        int reqBreakoutSeats;

        do{
            do{
                System.out.println("Enter your family name: ");
                valid = false;
                familyName = in.nextLine();
                if(familyName.matches("[A-Z][a-z]*" )){
                    valid = true;
                }else {
                    valid = false;
                    System.out.println("Invalid family name, your name must start with a capital letter. Please try again: ");
                }
            }while(!valid);

            System.out.println("Enter your given name: ");
            do{
                valid = false;
                givenName = in.nextLine();

                if(givenName.matches("[A-Z][a-z]*" )){
                    valid = true;
                }else {
                    valid = false;
                    System.out.println("Invalid given name, your name must start with a capital letter. Please try again: ");
                }
            }while(!valid);
            if(!clientExists(familyName, givenName)){
                System.out.println("Client does not exist.");
                return;
            }
        }while(!valid);

        System.out.println("Enter the date you want to book the room for in the format YYYY-MM-DD :");
        do{
            valid = false;
            input = in.nextLine();
            if(input.matches("\\d{4}-\\d{2}-\\d{2}")){
                try{
                    SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd"); //document said use YYYY-MM-DD but for some reason that wouldnt work, but yyyy-MM-dd works and thats just the same format with different syntax so whatever should be fine
                    format.setLenient(false); //if a date is entered that doesnt exist throw an exception
                    Date date = format.parse(input); //date is equal to the input parsed to the format above
                    bookingSlot = LocalDateTime.ofInstant(date.toInstant(), ZoneId.systemDefault()); //convert date to local date time

                    if(bookingSlot.isBefore(LocalDate.now().atTime(0, 0,0))){
                        System.out.println("You cannot enter a date in the past. Please enter a future date: ");
                        valid = false;
                    }else{
                        valid = true;
                    }
                }catch (Exception e){ //catch the exception
                    e.printStackTrace();//if the exception is thrown it is due to illegal date entered
                }
            }else{
                System.out.println("Incorrect format, please try again: ");
            }
        }while(!valid);

        System.out.println("Enter the time you want to book the room for in the format HH:MM");
        do{
            valid = false;
            input = in.nextLine();
            if(input.matches("^(0[0-9]|1[0-9]|2[0-3]|[0-9]):[0-5][0-9]$")) {

                if (bookingSlot.withHour(Integer.parseInt(input.substring(0, 2))).withMinute(Integer.parseInt(input.substring(3, 5))).isBefore(LocalDateTime.now())) {
                    System.out.println("You cannot enter a time in the past to book a room, please enter a valid time: ");
                    valid = false;
                } else {
                    valid = true;
                }

            }else{
                System.out.println("Invalid time entered, please enter a time in the format of HH:MM: ");
                valid = false;
            }
        }while(!valid);

        System.out.println("How many work stations do you require: ");
        do{
            valid = false;
            try(reqWorkStations = in.nextInt()){

            }

        }while(!valid);
    }