A： Excuse me， are you Sam？
B： Yes， I am． (1)
A： My name is Bob．
B： (2)
A： Nice to meet you， too． (3)
B： No， I'm not． (4) Where are you from？
A： I'm from Shanghai． (5)
B： Thank you．

A． Welcome to Shanghai．
B． Are you from Beijing？
C． What's your name？
D． I'm from Nanjing．
E． Nice to meet you．