User: What movie theatre near me is showing Harley Quinn: Birds of Prey?
Assistant: The Regal Crossgates and IMAX is currently playing Harley Quinn: Birds of Prey
User: I want to purchase 2 tickets for a showing on February 22nd
Assistant: Ok, what showtime would you like?
User: What are the possible choices?
Assistant: There are showtimes at 11:40pm, 2:40pm, 6:40pm and 9:40pm
User: I want tickets for the 2:40pm screening
Assistant: Is there anything else you want to know about this screening of Harley Quinn: Birds of Prey
User: Is the showtime that I chose in 3D?
Assistant: No it is not
User: Are there any other available showtimes in 3D?
Assistant: This particular movie does not have any screenings in 3D for February 22nd
User: Ok thank you
Assistant: Do you still want to purchase 2 tickets for the 2:40pm screening of Harley Quinn: Birds of Prey for February 22nd?
User: No, I am not going to buy any tickets anymore
Assistant: Are you sure?
User: Yes, I will think about other possible choices for a different occasion
Assistant: Alright no tickets will be booked, is there anything else you need?