please correct this as soon as possible, or quickly.

I would like to thank you for selecting me to the position of waiter in your hotel company.
Here with I am forwarding the documents that you have requested. Thank you.

Sample:

Dear Mr. + surname

Thank you so much for hiring me for the waiter position in your hotel company.

I am sending you my documents that you have requested.

I look forward to starting my position and, once again, I'd like to thank you for the great opportunity.

Sincerely,

Your name.

please correct this soon

I would like to thank you for selecting me to the position of waiter in your hotel company.
Here with I am forwarding the documents that you have requested. Thank you.

I would like to thank you for selecting me for the position of waiter in your hotel. I am forwarding the documents that you requested. Thank you!