User: Would like to book a movie ticket for tonight
Assistant: Sure I can help you with that
User: Great would like to see movie Frozen 2
Assistant: Not a problem what time and which theatre
User: What time movie is running in evening in Movie Tavern
Assistant: Movie Tavern has a show for 7.45 PM
User: Great please book the 4 tickets. Two adults and two child
Assistant: Sure which screen you have two option Standard and IMAX
User: Standard please
Assistant: Tickets books. Confirmation send to phone via text and email sent.
User: Great thanks.
Assistant: not a problem
User: Actually change of mind kids want to see the movie in IMAX. Can you change the screening
Assistant: Sure I will be glad to assist you with that. Do you want to change the screening for all the tickets
User: Yes please
Assistant: ok please modification confirmed. New tickets sent