USER
I want to watch avengers endgame
avengers endgame
movie_ticket.name.movie
movie_ticket.name.movie.reject
ASSISTANT
where do you want to watch it at?
USER
at bangkok close the hotel I a currently staying
bangkok
movie_ticket.location.theater.accept
movie_ticket.location.theater.reject
ASSISTANT
sounds good, what time do you want to watch the movie?
USER
8 o'clock
8
movie_ticket.time.start.reject
8 o'clock
movie_ticket.time.start.reject
ASSISTANT
how many tickets?
USER
two
two
movie_ticket.num.tickets.accept
movie_ticket.num.tickets.reject
ASSISTANT
and should we use the account we already have with the movie theater?
USER
yes
ASSISTANT
It seems they do not have any movie at that time
USER
let's watch another movie then
ASSISTANT
what other movie do you want to watch
USER
let's watch how to train your dragon
how to train your dragon
movie_ticket.name.movie
movie_ticket.name.movie.reject
ASSISTANT
the newest one
USER
yes, that one
ASSISTANT
I don't think that movie is playing at that time either
USER
so neither choices are playing at the time I want to watch
ASSISTANT
I am afraid so 
USER
I am no longer interested in watching the movie
ASSISTANT
very well, have a great day sir
USER
thank you
ASSISTANT
you are welcome