Re: Do they sound good?
1. You use "Dad" as his given name, so it need a capital. I know you can't hear it when you say it, but you can see it when you write it.
Originally Posted by dilodi83
2. You have a lot of comma splices. Also okay in speech (since you can't see punctuation) but also something to fix in writing.
3. You need to answer "yes" to "has the flight been delayed?" It was indeed delayed.
4. Either OK or Okay but not "ok"
I'm not a teacher, but I write for a living. Please don't ask me about 2nd conditionals, but I'm a safe bet for what reads well in (American) English.