User: i need tickets for movie 1917.
Assistant: ok looking now
User: thanks
Assistant: what time
User: 6
Assistant: for how many?
User: 3
Assistant: screen type?
User: 3d or standard
Assistant: ok 3d is not available
User: ok standard is fine
Assistant: ok found 3 tickets for standard screen of 1917 movie at 6 pm
User: ok great book it
Assistant: ok got it booked