I'd like to buy movie tickets tonight
Great! What movie would you like to see?
What's playing at Brewvies?
Birds of Prey is playing at Brewvies
OK, maybe we'll see that
Great! What time would you like to go?
Is there a 7pm show?
There is a showing at 7:15pm
OK
How many tickets do you need?
Two
There are not two tickets available for the 7:15 show
Oh, that's too bad. What other movies are playing there?
Bad Boys is playing at Brewvies
Do they have a 7pm show?
It is playing at 7:45pm
OK let's buy those instead
There are not two tickets available to Bad Boys.
Oh. Well maybe I won't buy them then.
OK.