Hi sanjay2004, As discussed, happy to go ahead with this project. Brief included below:
To add a select dropdown which will appear below the 'Collection Details' field on booking form.
This will have around 5 options which will all have different monetary values.
The default will be 'None' which will have a value of 0 anyway, but if a user selects a different option, the value updates the total cart value immediately.
Then the option will display in the admin booking, and also in the export. I have attached how the current export shows. Obviously there will need to be a new column added which displays the option they choose too.