   neutral   Nothing special.     neutral   I'm wondering whether you could come over for a pizza sometime next week?  
    neutral   Sounds good.Sorry, here comes my bus.You call me, or I'll call you to make a date.     neutral   I'll call you.  
    happiness   All right.Gotta go, bye, keep in touch.     happiness   
 See ya, take care and have a blast. 
 Keep in touch.  
 
 happiness   Goodbye, have fun!