"I was ready and raring," said Dyche. "Some managers sometimes need a time of reflection and I used that time wisely, of course.
"As people know I've had a spell with the England Under-21s, but I was fresh and ready to go. I didn't need that rest, it just came because sometimes business changes.
"If Burnley Football Club give you a phonecall, the answer's yes in my book. There was no messing around."
Dyche will take charge of the Championship's 14th-placed side for the first time on Saturday when they host Wolverhampton Wanderers.