Yes

"Ah good," said the bear. "Bartholomew promised he would be sending me some adventurers and you look as adventurous as they come. You see, I have a problem that I can't quite fix on my own and I could use a helpful being such as yourself. Would you like to help me?"

You say, "Of course, that's why I came."

or

You say, "You know, come to think of it, I have somewhere else I need to be."