出国英语口语 unit28

unit 28
this is not what i bought
W: hello,i bought a china dress in your shop this morning
M: yes?
W: i bought one size up by mistake
M: oh,did you?
W: i wonder if you can change it to one size down
M: yes,of couse. will you come with receipt?
W: then i'll come to your place later in the evening,and how late is your shop open?
M: until 8 o'clock madam.we are looking forward to seeing you