Is your feature request related to a problem? Please describe.
-> After submitting PIN & DATE if the sessions are empty then it displays nothing on the screen, check out the SS given below.
![Screenshot 2021-07-17 at 8 36 05 PM](https://user-images.githubusercontent.com/68826419/126041278-b48beb65-1123-494f-b6e7-2ca7505a962b.png)
Row API json output:
![Screenshot 2021-07-17 at 8 36 48 PM](https://user-images.githubusercontent.com/68826419/126041281-e238860f-c1e5-4fd3-91dd-d1fc0af11ea5.png)
Describe the solution you'd like...
-> Add simple alert popup saying "Sessions are currently unavailable, please try again after some time." if the sessions are zero/empty.
Approach to be followed:
-> Main code file is app.py
,
eg:- if response['sessions'] == 0: flash("Alert message here.")
OR
-> You can try it using JavaScript,/static/main.js
-> Running of the project, git commands & all other information is given in the README.md of the project.