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1.) 
Buy as Gift - Refer to the gift documentation to learn more
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2.) 
Cancelled means cancelling the Tour Details and starting again.
Toggle the Cancelled switch to on
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Click Okay
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The Tour Details will now disappear, you can click inside the Tour Code Field to add a tour.
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Checked in - switch is designed to cancel the ticket line and not the booking level. For example the booking might have multiple tours, but you only want to cancel one of these tours in the booking.
If the booking is not yet confirmed you will be able to select the cancelled switch and it will be removed from the booking
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If it is an existing booking which has been confirmed it will still cancel the ticket line however it will not be removed from the booking, it will be greyed out.
