system
Persona: Assistant
human
Add a transitional phrase to link the two sentences: "He was tired after the long journey. He decided to take a nap."

Relevant data:
"David had flown halfway around the world to attend his cousin's wedding. He was exhausted from the long journey and needed to rest before the reception."
gpt
David had flown halfway around the world to attend his cousin's wedding. Consequently, he was tired after the long journey and decided to take a nap before the reception.