Dear Peter,
I’m writing in reply to your letter requesting information about the school trip to the historical museum organized next month.
First, I would like to tell you that the trip fee is normally 35$. However, because of the Covid-19 pandemic, now it has a discount 20% for students, only 28$. It is reasonable price these days.
Second, the trip is available on July 20th, 2021. It will be started at 8 o’clock in the morning. You should arrive in time to take a comfortable seat on the bus. Moreover, the school bus will be ready at the schoolyard, so you do not care about catching bus.
Third, there are several necessary things that I would recommend you to bring with on the trip such as: cameras, notebooks, pens because they could help you take some nice photos and record interesting history and culture knowledge.
Finally, the price includes lunch, therefore you do not need to bring meal with, you should take some water.
I hope that these information will be useful for you. Please do not hesitate to contact me if you need any further information.
Your sincerely, 
Dear Peter,
I’m writing in reply to your letter requesting information about the school  
trip
 to the historical museum organized  
next
 month. 
First
, I would like to  
tell
 you that the  
trip
 fee is  
normally
  35$
.  
However
,  
because
 of the Covid-19 pandemic,  
now
 it has a discount 20% for students,  
only
  28$
. It is reasonable price these days.
Second, the  
trip
 is available on July 20th, 2021. It will be  
started
 at 8 o’clock in the morning. You should arrive in time to take a comfortable seat on the bus.  
Moreover
, the school bus will be ready at the schoolyard,  
so
 you do not care about catching bus.
Third, there are several necessary things that I would recommend you to bring with on the  
trip
 such as: cameras, notebooks, pens  
because
 they could  
help
 you take  
some
 nice photos and record interesting history and culture knowledge. 
Finally
, the price includes lunch,  
therefore
 you do not need to bring meal with, you should take  
some
 water.
I hope that  
these information
 will be useful for you.  
Please
 do not hesitate to contact me if you need any  
further
 information. 
Your
  sincerely
,