User: I was thinking of going to a movie tonight
Assistant: what kind of movie
User: how about science fiction
Assistant: Star Wars just came out
User: did it get good reviews
Assistant: yes it did
User: that sounds good
Assistant: what theater
User: the Regent
Assistant: what time
User: 5 pm
Assistant: how many tickets
User: 2 tickets
Assistant: they have a regular screen at 5
User: do they have an Imax screen
Assistant: they have an Imax at 7
User: Book 2 tickets for the Imax at 7
Assistant: I have changed the tickets to 7 on the Imax