Definition: You are given a conversation between two people. 'Person1:' and 'Person2:' are used to separate their respective dialogues. If the conversation begins with a question, label it '1' otherwise '0'.
Input:  Person1:     May I help you ?  
 Person2:  Yes , I would like to return these slacks .  
 Person1:      Alright . Do you have your receipt ?  
 Person2:  Yes . Here it is . I bought them last week .  
 Person1:      And why are you returning them ?  
 Person2:  I bought them to go with a blouse of mine . But they don't really match .  
 Person1:      I see . Oh , wait . Ma'am , I'm sorry . These slacks were on sale .  
 Person2:  Yes , they were thirty percent off .  
 Person1:      I'm sorry , but we don't allow returns on sale items .  
 Person2:  I know many stores have that policy . But I have returned sale items here before .  
 Person1:      I'm sorry , but we usually don't do it . It is our policy .  
 Person2:  I just bought these slacks a week ago . And I am a regular customer here.Can you make an exception this time ?  
 Person1:      Well . Let me talk to the manager for a moment.Ma ' am , the manager says I can do it this time .  
 Person2:  Good . I'm a regular customer here . I am glad you can make an exception for me .  
 Person1:      Please show me your receipt again .  
 Person2:  Here it is .  
 Person1:      I will have to give you store credit , Ma'am . If you find something else you like in the store , you can use the credit .  
 Person2:  Store credit is okay with me . I'm sure I will find something I like . I shop here a lot .  
 Person1:      We appreciate your business , Ma'am . 

1