俄航官网上订票，姓和名顺序与护照相反要紧吗？行程取消是否可以退款？

1. 俄航官网订票输入姓名时，先填FIRST NAME，后填LAST NAME， 选座位时，看到名字将姓显示在后面，比如： SAN ZHANG. 那我们护照上姓是在前，名在后，这样相反要紧吗？不知实际登机牌上是否会把LAST NAME显示在前面？
2. 购买的机票去程条款如下，我的理解是，如果行程取消是可以退全额款的，前提是罚EUR.100.，不知是否理解正确？但是返程条款却写了不得取消，难道届时只能退一半机票钱？


去程：
PENALTIES
FARE RULE
ORIGINATING EUROPE -
CANCELLATIONS

ANY TIME
CHARGE EUR 100.00 FOR CANCEL/REFUND.

ANY TIME
TICKET IS NON-REFUNDABLE IN CASE OF NO-SHOW.

CHANGES

ANY TIME
CHARGE EUR 100.00 FOR REISSUE/REVALIDATION.

CHANGES NOT PERMITTED IN CASE OF NO-SHOW.



ORIGINATING AREA 3 -
CANCELLATIONS
ANY TIME
CHARGE USD 100.00 FOR CANCEL/REFUND.
ANY TIME
TICKET IS NON-REFUNDABLE IN CASE OF NO-SHOW.

返程：ORIGINATING AREA 2 -
CANCELLATIONS

ANY TIME
TICKET IS NON-REFUNDABLE IN CASE OF CANCEL/
NO-SHOW/REFUND.

补充描述