@kingofpop27 You only need to add - before the text in response i.e line 33,36,39 in VS code.
In domain.yml
responses:
utter_greet:
- text: "Hey!! How are you ? How can i help you sir."
utter_my_order:
- text: "yes sir sure,please provide further details-mobile number or transaction id"
utter_confirm:
- text: "thank you for providing details sir,we are verifying...,please wait for a while."
Delete the older train model, re-train it and run the code. This will solve your issue. Good Luck!