context: On April 7, 2013, the Pacers clinched their first Central Division championship since the 2003-04 season. They finished the 2012-13 NBA season with a 49-32 record, the 3rd seed in the Eastern Conference and beat the Atlanta Hawks in the first round of the playoffs. The Pacers then beat the New York Knicks in six games to advance to the Eastern Conference Finals for the first time since 2004 to face the defending champs, the Miami Heat. The Pacers lost Game 1 of the Eastern Conference Finals on May 22, 2013 in overtime 103-102. On May 24, 2013 in Game 2 of the Eastern Conference Finals, the Pacers were victorious by a score of 97-93. The game was clinched for Indiana, after David West was able to deflect a pass from LeBron James. The team headed home to Indianapolis where they had been a perfect 6-0 in the playoffs. The Heat won Game 3 in Indianapolis on May 26, 2013, with contributions from role players Udonis Haslem and Chris Andersen, and won 114-96. The Pacers bounced back in Game 4 - with a strong contribution from Lance Stephenson - and won 99-92. The Pacers lost Game 5 in Miami on May 30, but won Game 6 at home on June 1, extending the series to Game 7. The Pacers were defeated by Miami, 99-76.
question: Which two teams played in the Eastern Conference Finals?
answer: the Pacers