User: My husband and I would like to go to the movies tonight
Assistant: Which movie would you like to see?
User: Frozen 2
Assistant: Which theater would you like to book tickets at?
User: The Regal Santiam is the closest theater
Assistant: What time do you want to see the movie
User: Do they have an 8PM show?
Assistant: Yes they have an 8PM showing
User: Good, lets use that time
Assistant: What type of screen do you want?
User: Just a standard screen
Assistant: Good. I am booking tickets for Frozen 2 at the Regal Santiam theater at 8PM, with the regular screen
User: Wait, you said regular screen. What other options are there?
Assistant: Frozen 2 is also available in the IMAX format
User: I think that would be better. Let's book for the Imax screen
Assistant: Just to be clear, you would like to change the screen from Standard to IMAX
User: Yes
Assistant: Good. I am booking tickets for Frozen 2 at the Regal Santiam theater at 8PM, with the IMAX screen