Final answer:
The appropriate steps in the communication process are identified as 'Sender has an idea' for John and 'Sender encodes the message' for William leaving a voicemail to the job candidate.
Step-by-step explanation:
The appropriate step in the communication process for John beginning to draft a message to his boss is Sender has an idea.
At this stage, the sender, John, formulates the idea he wants to convey in the message he is about to compose.
This step marks the initial conception of the message.
The appropriate step in the communication process for William Fairaizl leaving a voicemail to the job candidate is Sender encodes the message.
In this step, William converts his idea of asking the candidate to meet at 4:00 p.m. into a message by putting it into a voicemail and communicating it through voice.