You need to take some time off of work to go on holiday. Write a letter to your direct manager. In your letter: Ask for time off and explain why Provide the dates and times for which you will be unavailable to work Describe what you will do to prepare or make up for your absence

Dear Dr. Hashemi, I am Mohammadreza Hadavi, the pharmacist at your Sahand branch, writing
this
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letter to formally request a one-week vacation given that recently, the pressure of life has made it difficult for me to concentrate on my tasks. To be more precise, with regard to concentration is a fundamental requirement in our profession, and a lack of it is responsible for serious consequences.
Therefore
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, it would be best to take some away from the work environment. I have planned a trip to Phuket, Thailand, from 12 September to 19 September. Phuket is well known for its stunning islands, breathtaking scenery and vibrant nightlife,
although
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the climate is expected to be hot and humid. I believe that spending time in nature will help me relax and recharge, as I consider nature to be a true source of peace To ensure everything runs smoothly in my absence, I have requested Dr. Hamidi to cover my shifts during that week.
Additionally
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, I informed the FDA and Ms Purtagi via email regarding my planned leave. I appreciate your attention and understanding. I would be grateful for your approval of
this
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request. Yours faithfully, Mohammadreza Hadavi

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task achievement
The letter answers all parts of the task clearly. Good job!
coherence and cohesion
To improve the flow, link your sentences with more connecting words. This will help the reader follow your ideas better.
coherence and cohesion
The structure is clear, but try to keep one main idea per paragraph to make it easier to read.
task achievement
The request for vacation is polite and well explained.
task achievement
You provided specific dates for your absence, which is great!
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