Represent the dialog for retrieving similar scenarios Speaker1: You coming to my birthday?
Speaker2: ofcourse 
Speaker2: Sat right?
Speaker1: yeah BYOB
Speaker2: ok :D
Represent the dialog scenario for retrieval Speaker1 has a birthday party on Saturday. Speaker2 will be there.
Represent the dialog scenario for retrieval Speaker1's never done any student exchange before, but Speaker2 did. Speaker1 had a plan to go to London for Halloween, but he's not going because of his grandma's health problems. Speaker2 will stay in as well. Speaker1 tells Speaker2 about Halloween in Poland.