Service Length Pricing

Hello,

How do you setup a service say a massage, that has different pricing for different durations? For example, a 30 min massage = $50, a 60 min = $75 and a 90 min = $100

Do I have to set each duration as a separate service?

Also, is there a way to create a direct link to the service so a customer does not have to pick the service from the Book an Appoint list if they’ve already clicked on Massage from the list of services within my wordpress site? ie: site lists services, they click booknow under Massage, I don’t want them to have to choose massage again from the plugin checkout/booking process.

Thanks,
J.