Represent the dialog for retrieving similar scenarios Speaker3: Hey, do you want to join a stretching class tomorrow at 7pm? 
Speaker3: It's a charity event at the fitness club
Speaker2: Sorry, can't make it
Speaker1: I've already planned something too
Speaker1: Sorry
Represent the dialog scenario for retrieval Speaker2 can't join the charity streching class tomorrow.
Represent the dialog scenario for retrieval Speaker2 is blocking Speaker1 and Speaker1 doesn't care as he finds Speaker2 too much irritating.