Translation of rainbow in Spanish

On the drive into the city center we were a little shocked by the amount of motorcycles, by the pollution and stress in that city. After only two days in a small village we forgot how it was.
Do you want learn Spanish? Do you have a telephone? I am looking forward to hearing from you and sorry again, I was extremely busy during the last three weeks. I hope you can forgive me.
We arrived at the airport two hours prior to our flight with no seat guaranteed. As these are local flights, the counters open just 1 hour before take-off. The alternative root would be by bus.