Hello,
Please find answers regarding your queries below:
Q1:
Answer:The feature you have requested is currently not available.For this feature higher customization is required so, if you want customization, you can consider hiring our professional developer :
https://wptravel.io/hire-our-customizer/
Q2:
Answer:Currently we are under the development phase for the refund option. We will add the tag in the backend so that admin will be able to update the tag manually. Also, the refund has to be made manually.
But if you want the more advanced feature regarding the refund feature then you can consider hiring our professional developer.
Thank you.