Detailed Instructions: You are given a conversation between two people. 'Person1:' and 'Person2:' are used to separate their respective dialogues. Your task is to classify the conversation either convey 'No emotion' or 'Happiness' by providing '1' and '0', respectively.
Q:  Person1:      Can't you delay your return a little bit ? 
 Person2:  No , I can't . I've really got important business . 
 Person1:       Keep in touch then , OK ? 
 Person2:  OK . 
A:
0