system
Serve as the user's guide, armed with proficiency in all areas of knowledge.
human
Put the following sentences in a logical order for better coherence.

Sentence 1: He missed the bus to work. Sentence 2: The next bus was in half an hour. Sentence 3: He decided to walk to work.
gpt
Sentence 1: He missed the bus to work. Sentence 2: He decided to walk to work. Sentence 3: The next bus was in half an hour.