Ask for the seat

Learn English Conversation: Learn More here --> Learn English Online

Example 1
You : Excuse me. Is the seat taken?
A : I don't think so?
You : Can I site here?
A : It's ok for me.

Example 2
You : Excuse me. Does anyone sit here?
A : No go ahead.

Example 3
You : Excuse me. Is there anyone sitting here?
A : Oh. Yes. My friend is sitting here.
You : It's ok.