Checking Information

I didn't quite catch that.
I didn't quite get that.

Asking someone to repeat information:
Sorry, what did you say (your name) was again?
Sorry, I didn't get all of that.
Could you say it again, please?
And could you tell me (his surname) again?
Sorry, I didn't quite catch that.
Can you give it to me again, please?

Checking that the information you have is correct:
Is that Suzy with a S?
Do you mean this Wednesday?
Is that spelt S-U-Z-Y?
Are you talking about (the London party)?

Hello, can I help you?
Yes, can I speak to Mr. X please?
Do you mean X Yudi?
No, X Budi.

Can you call Gunawan on extension 223 about the conference?
Sorry, I didn't get all of that. Did you say extension 233?
No, extension 223.
And are you talking about the UK conference?
No, the European Conference.

Sorry, could you give me your address again?
23, Jerrard Street, SE19.
IS that Jerrad with a G?
No, it is with a J.