Autoincrement bookings code for new bookings.
Autoincrement bookings code for new bookings.

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