Boris: Give me 100 first-class  stamps,please.                        
                                       

Clerk: Here you are.That will be  25 dollars.Anything else?              

B: Yes,I want 20 airmail stamps for Europe.                          

C: Okay.Your total bill is 34 dollars.

B: May I have a receipt?

C: Of course (gives B a receipt).    

B: I also need airmail labels.         

C: All right,sir.                      

B: One more question. I want to register this letter.Can I do it  at your window?     
                  
C: No.Go to the second window on   your right.                           

B:-(at registry window).I want to  send this letter by registered mail.  
                                  
C: You have to fill out this form. Do you want a return receipt?           

B: What is a return receipt?                                      

C: The addressee signs a receipt when he recieves a registered letter or a package. This receipt is returned to you by airmail by the       
Post Office. A return receipt  is  your proof that the letter was delivered.

B: Okay.I would like to have a return receipt.                        

C: Then you have to fill an additional form that looks like a post card. Come back to this window as soon as you have filled  out the       
forms.

---

Boris: I would like to  mail this  parcel by fourth class mail.          

Clerk:-What's in the parcel?         

B:-Nothing but books. The parcel should be mailed by books rate.         

C:-(weighs the parcel).Four pounds. It would cost $1.95.               
                                       
B:-How long does it take for a parcel to arrive in San Francisco?        

C:- Fourth class mail takes about   15 days to arrive.                   

B:- Okay (pays for postage).I have  a problem.I'll be out of town next  week. Can you hold my mail for  me at the post office? I'll pick it up  when I get back.                     

C:-Yes,we can do that. You have to fill out this form.Bring it back to me.