I am using AWS Lambda as my backend. My skill contains an intent where a user can modify an element from a different service. I want the intent to first send a request to AWS which will then send back a list of elements which Alexa reads out. Now I want the user to be able to say a number which is refering to the corresponding element (They could say "three", meaning they want to modify element 3). For this the intent needs to be still open after Alexa got an answer from my backend. After Alexa got the number it should send another request to the backend. Is this possible? If not, what solution do you recommend?