(1) Hello, welcome. Good morning (afternoon, evening), sir. Welcome aboard.
(2) Yes, that's right. Yes, I see.
(3) please. Please.
Ok, right away. Yes, I'm leaving now.
I'm terribly sorry. I'm sorry
Thank you for waiting. Thank you for waiting (sir).
Yes, I'll bring it to you right away. I'll get you one right away.
I'm sorry. Excuse me.
I know (I don't know). Yes, I know (no, I don't).
Did you call me? Did you call me?
(1 1) I don't know, please check it right away. I'm not sure. I'll check it.
You're welcome. I'd love to.
Thank you. Thank you very much.
Thanks to you. Thanks to you.
I hope you have a good trip. I wish you a pleasant journey
In addition, self-introduction must be prepared, that is, your brief introduction-briefly introduce yourself!