What does the man mean?

W: I don’ t think the job has to be done perfectly.
M: Maybe, but it’ s important to do your best.
W: Yes, maybe you are right.
M: Just do your best.

M: Can I speak to Peter Schmidt?
W: He went out about an hour ago. Can I take a message?
M: Yes. This is Global Travel. Could you tell him his ticket’s ready?
W: OK. I’ll do that.