Closing an email

Closing an email  must be effective and include just a short clause:

• Thank you for your cooperation./ Thanks in advance. 
  
  
• I look forward to your reply./ I look forward to hearing from you.
• 
  
• I’m looking forward to hearing from you.
• Please get back to me as soon as you can./ Please reply asap. 
• 
  
• Thanks in advance
  
  If you need any further information, please do not hesitate to contact me./ If you need
• to know anything else, just let me know.
• 
  Any feedback you can give me on this would be gratefully appreciated./ If you have
  any further questions, please contact me at any time. 
  
  At the very end insert your name for friendly emails and name and surname for a more formal context.