answer: #Person1# apologizes for forgetting Sam's birthday. Sam forgives #Person1# and talks about his birthday dinner and the present he got. The restaurant forgot the birthday cake and offered some free dessert as compensation.
documents: #Person1#: Sam, I am so sorry. It was your birthday yesterday and I completely forgot about it. 
  #Person2#: Don't worry about it. I keep forgetting everyone's birthdays as well. 
  #Person1#: Margaret really told me off when she found out that I had forgotten all about it. We did try to phone you, but you and Jane must have gone out. 
  #Person2#: Yes, Jane invited me for dinner to this new restaurant which opened near us. 
  #Person1#: Oh, yes, I know the one. How was the food? 
  #Person2#: The food was excellent, but Jane ordered a birthday cake, which they forgot about. So as you can see, you were not the only one. 
  #Person1#: Oh, no. 
  #Person2#: Yes, Jane was quite upset about it. The manager came to apologize and we did get free dessert, but still. . . 
  #Person1#: I would think this was the least they could do. 
  #Person2#: In the end it was a nice evening and I got an ipad as my birthday present which I wanted for a while. 
  #Person1#: Great. I have also been thinking of getting one. Do you think you could ask Jane to have a quiet word with Margaret? My birthday is not that far away. 
  #Person2#: I can try, but knowing Margaret she will see through that immediately.