User: hey there, can we get some movie tickets
Assistant: sure thing, where do you want to see the movie at
User: woodland please
Assistant: sounds good, what movie do you want to see
User: just mercy
Assistant: ok, what viewing preference do you have, standard, 3d or imax
User: standard is fine with me
Assistant: ok, the times for standard are 700 800 900 1000
User: ok 800 sounds good to me
Assistant: ok and how many tickets do you need
User: i need 4 tickets
Assistant: ok, so to confirm, you are needing four tickets to just mercy at woodland at 800 in standard viewing
User: no no hold on
Assistant: ok
User: ok so no, change that to two tickets only
Assistant: ok to confirm, you are needing four tickets to just mercy at woodland at 800 in standard viewing