Represent the dialog for retrieving similar scenarios Speaker2: U there yet?
Speaker1: No. Stuck in traffic. U?
Speaker2: Good! I have to stay longer at work. 
Speaker1: What? Y?
Speaker2: Boss needs something and "asked" me to stay.
Speaker1: Rain check maybe?
Speaker2: No way! I'll be there, but I'll be a little late.
Speaker1: How late?
Speaker2: Well, at least an hour...
Speaker1: Oh...
Speaker2: Maybe you could wait for me in that cafe nearby? My treat!
Speaker1: Will think about it. 
Represent the dialog scenario for retrieval Speaker2 needs to stay longer at work today. He's going to be at least one hour late for a meeting with Speaker1.
Represent the dialog scenario for retrieval Speaker2 does not need mum for anything important at the moment.