A: I think my car needs an oil change.

B: Why don't you go buy the oil and do it yourself?

A: I am not familiar with the process.

B: I can teach you to do it, if you'd like.

A: I'd be grateful if you did.

B: How about next week?

A: That is too long from now.

B: Can you do it sometime this week?

A: I have too much work to do this week.

B: Then maybe you should take it to the mechanic.

A: Where can I find one nearby?

B: Look it up in the yellow pages, or even online.