Override LineItem#booking_template= instead of #assign_booking_template.
Override LineItem#booking_template= instead of #assign_booking_template.

xuewenfei/bookyt,wtag/bookyt,hauledev/bookyt,wtag/bookyt,gaapt/bookyt,xuewenfei/bookyt,hauledev/bookyt,wtag/bookyt,hauledev/bookyt,silvermind/bookyt,huerlisi/bookyt,huerlisi/bookyt,gaapt/bookyt,silvermind/bookyt,silvermind/bookyt,xuewenfei/bookyt,hauledev/bookyt,huerlisi/bookyt,gaapt/bookyt,gaapt/bookyt,silvermind/bookyt