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Maybe the slots are all booked.
I heard it requires a reservation.
Maybe it requires a reservation.
I heard the slots are all booked.
I heard the tickets sold out.
I'm sure the tickets sold out.
I'm sure the slots are all booked.
It looks like it requires a reservation.
I'm sure it requires a reservation.
It looks like the slots are all booked.
It looks like the tickets sold out.
I guess the tickets sold out.