#Person1#: I haven't received my credit card bill yet.
#Person2#: Which credit card are you speaking of?
#Person1#: My Master Card.
#Person2#: We sent that bill out a couple of weeks ago.
#Person1#: I never got it.
#Person2#: Your bill was mailed already.
#Person1#: What am I going to do since I haven't received the bill?
#Person2#: If you haven't gotten it yet, then you should probably take that up with your post office.
#Person1#: Can I get an extension on my bill if it does happen to be the post office's fault?
#Person2#: If that's the case, you will need to provide proof of their mistake.
#Person1#: Thanks for everything.
#Person2#: Don't mention it. Call back if you have any more questions.
#Person1# hasn't received credit card bills, and #Person2# suggests #Person1# should take that up with #Person1#'s post office.