听第1段材料，回答第1至3题。
W：Federal Express．May I help you?
M：Yes，I sent a package to Dallas two days ago and il still hasn’t arrived．My number is 1641-24．
W：OK，Mr Smith．We attempted to deliver it，but our delivery person said that there was no such address．
M：What!Do you think I’d spend eighty—four dollars to send a package to an address which I made up?
W：N0，sir，but I can only go by the nole from our delivery man． pIease hold for a moment．I am sure I Can clear up this problem by calling directly to our Dallas office．
M：Well，you may be able to clear up the problem，but how can I make up the money I’ve lost because the package was not delivered?