Dialogue:
Toby: Hi everybody!
Luke: Hi ;).
Alice: Hey :).
Lucy: yo xD
Toby: Let's go for a double date tomorrow :D.
Toby: What do you think?
Luke: Totally!
Alice: Totally? Aren't you forgetting something? :P
Luke: Hmm... I can't think of any important plans for tomorrow...
Alice: We are going to see my parents?
Luke: Yeah I said I can't think of any important plans for tomorrow...
Alice: Luke!
Lucy: haha
Lucy: :D
Luke: Alice?
Alice: Stop :P.
Luke: :(
Toby: Hehe :). So I guess that's a no :D.
Toby: Next time :D.
Luke: But I wanna go :(.
Alice: Thanks for the offer Toby, but yeah, next time :).
Toby: :).
Lucy: are we still going Toby?
Toby: Where?
Lucy: ... on a date? xd
Toby: XD
Toby: Sure... XD

What is a summary of this dialogue?
Toby and Lucy wanted to go on a double date with Alice and Luke tomorrow, but they'll have to go alone, because Alice and Luke are going to see Alice's parents.