If a car seat is being used onboard for a child over 2 years then the booking can be made on our website but you will need to contact us to add the car seat details and allocate a suitable seat onboard

Can you repeat this sentence, but add in punctuation?
If a car seat is being used onboard for a child over 2 years then the booking can be made on our website, but you will need to contact us to add the car seat details and allocate a suitable seat onboard.