User: I would like to see Frozen 2 tonite
Assistant: I heard that was a good show. What theater do you want to go to?
User: I live near the Regal Santiam
Assistant: What showtime do you want?
User: The 7pm show.
Assistant: How many tickets should I book?
User: Two tickets, for my husband and I
Assistant: Do you want a special screen?
User: A regular screen is fine
Assistant: OK, I am booking two tickets for Frozen 2 at the Regal Santiam theater at 7PM for the regular show.
User: Oh wait, don't book. I have a text from my daughter, she can join us tonite
Assistant: What would you like to do with the booking
User: I would like to book 3 tickets, instead of two
Assistant: Just to confirm, you would like to change the booking to three tickets
User: Yes
Assistant: Will there be any other changes?
User: No, just the number of tickets
Assistant: I am booking three tickets for Frozen 2 at the Regal Santiam Theather at 7PM with a regular screen