Bot not giving response

I have created one dialog task to check the account balance and trying to test it. The bot gives a default fallback response instead of the response that I have configured. please help. I am following the Basic Training day 1

Hello Manu Kumar,

Welcome to Kore.ai Community.
May i request you to please refer to the Training Videos available on Academy.kore.ai and review your bot configurations.

As it is your Day 1 of the training, it is always suggested to refer to the trainings, Documentation.

Thank you,
Srujan Madderla