answer: #Person1# hopes #Person2# can have the goods delivered before the end of September. but #Person2# tells #Person1# it'll be difficult to advance the time of shipment. They finally reach an agreement on the date by the middle of October.
documents: #Person1#: If I remember correctly, time of delivery is another point on which we differ.
  #Person2#: That's right. Let's go into the details.
  #Person1#: Ok. I hope you can have these goods delivered before the end of Sep. We'd like them to be there in time for our Christmas sales.
  #Person2#: Christmas doesn't come until almost the end of the year, right?
  #Person1#: But in the United States the Christmas season begins about a month before Dec. 25.
  #Person2#: Well. I am afraid it will be difficult for us to advance the time of shipment. Our manufacturers are fully committed at the moment.
  #Person1#: I hope you'll try to get them to step up production.
  #Person2#: As new orders keep pouring in, the workers are working three shifts to step up production.
  #Person1#: If that's the case, there is nothing more to be said.
  #Person2#: I am sorry.
  #Person1#: What's your last word as to the date then?
  #Person2#: I said by the middle of Oct. This is the best we can promise.
  #Person1#: All right. I'll take you at your word.
  #Person2#: Good. Let's call it a deal. We will do our best to advance the shipment, but your L / C should be opened early Sep.
  #Person1#: I promise.