business letter

It has been for quite some time that I don’t have since I've had contract with Remco, how is he? I hope his medical operation will get the be a perfect success and he’ll be able to recover to a normal healthy life. I hope this time I can (or 'will be able to') see him!
I’ll arrive in Dusseldorf Airport on the morning of the 13th of March, so I would like to know if your company will attend the GDS?
If you will attend the GDS, can you tell me the booth number of your company, please?
If you won’t attend the GDS, can you tell me what traffic method of transportation I need to take for arriving at to get to your company?
I would like to visit your company. I’m looking forward your reply.