Translation of mamba in German

We returned to the former capital of the South at dawn and were dropped next to our place. We had a very nice day all in all, although it was very touristy. We felt that we have seen enough of the area.
Did you receive my email? Are you going to call me back and help me? Would you be able to help me?? Please? Your English very is very well already. I will correct you if you make any spelling mistakes.
I'm writing you in English because I don't have a lot of time and writing in German will take me a long time. Just a few corrections: you can not say in English How you do, you need to say How do you do...