Finding an apartment in San Francisco

Dear Mr. Samson,

I am writing to you to request your help finding an apartment in San Francisco, California. Allow me to explain the details of my requirement.

"I was hoping you could help me find an apartment in San Francisco.  Specifically, I'm looking for the following . . . "

Today, my boss informed me that he needs me in San Francisco the next month. I will be in this the city from the 1st of November to until the 2nd of December to mainly participate in a certification of Microstrategy, which is a software that we are going to sell soon. The offices of this company are located in the business area, near to The Hilton Hotel.

Please, urgently send me some apartment alternatives available for the date I mentioned before. Please send me the available of any apartments located in this area as soon as possible.  Ideally, the apartment Consider that it should have internet and laundry.  Also,  and it is strongly required it is very important to me tha the apartment have a big and well maintained elevator because I am claustrophobic. I will be grateful if the building is no more than 5 minutes walking from the business area.

I look forward to hearing from you.

Yours Sincerely,
Francisco Zuniga

Francisco.  You write very well, congratulations.  Some of your sentences, however, are extremely formal.  I've changed them around just a little to make them sound a little more natural.  Hope it helps, and good luck in SF!

Finding an apartment in San Francisco

Dear Mr. Samson,

I am writing to you to request your help finding an apartment in San Francisco, California. Allow me to explain the details of my requirement.

Today, my boss informed me that he needs me to be in San Francisco for the next month. I will be in this city from the 1st of November to the 2nd of December, to mainly to participate in a certification of Microstrategy, which is a software that we will soon be selling are going to sell soon. The offices of this company are located in the business area, near to the Hilton Hotel.

Please, urgently send me some apartment alternatives that are available for the dates I mentioned before as soon as possible. Consider that it The location should have Internet, and a laundry, and it must have is strongly required a big and well-maintained elevator because I am claustrophobic. I will be grateful if the building is no more than a five-minute 5 minutes walking from the business area.

I look forward to hearing from you.

Yours Sincerely,
Francisco Zuniga