Translation of institution in German

We bought a Sandwich and were looking for a taxi, but the streets were so crowded that we had to wait nearly one hour to find a cab. We even had to walk a few blocks in order to catch one.
Due to jet lag (for us it was 10p.m.) we could not sleep, so we stayed at the airport until the morning where we had to take a flight around 8a.m. The destination was Siem Reap in Cambodia.
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...