Hello, how can I help you?
I'm trying to make a purchase, but it keeps telling me that my credit card is invalid.
Sorry to hear that, can you try logging out and back into your account?
I'll try. It's still doing the same thing.
What is the expiration date on the card?
Not until next year.
Can you try entering the number again and let me know what happens?

If that doesn't work I can try to place the order for you.
That would be great, thank you!
Can I please have your credit card number and expiration date?
The number is 2343234383838383 and it expires on 06/21
What item are you trying to buy?
The Calvin Klein jacket for $59 Great - thank you!!
Okay, you are all set. Is there anything else?