User: i'm looking for a movie
Assistant: what kind of movie do you want
User: something real and warlike
Assistant: how about 1917
User: ok, lets do that
Assistant: what location?
User: seattle
Assistant: what time
User: 8:00 PM
Assistant: what kind of screening
User: normal
Assistant: how many tickets?
User: 4
Assistant: ok, 4 tickets to 1917 at a normal screening, is that ok?
User: i have changed my mind
Assistant: what needs to be changed?
User: the screening, i want imax for the movie
Assistant: ok, imax for 8pm for four people for 1917