Data keys:

REST_TITLE
CHAIN_TITLE
DATE_RESERVED
TIME_RESERVED
DINERS_COUNT
TABLE_AREA
CLIENT_FULL_NAME
CLIENT_PHONE
CLIENT_EMAIL
CLIENT_COMMENTS

If exist start key:

#REST_TITLE
#CHAIN_TITLE
#DINERS_COUNT
#TABLE_AREA
#CLIENT_FULL_NAME
#CLIENT_PHONE
#CLIENT_EMAIL
#CLIENT_COMMENTS

If exist end key:

/REST_TITLE
/CHAIN_TITLE
/DINERS_COUNT
/TABLE_AREA
/CLIENT_FULL_NAME
/CLIENT_PHONE
/CLIENT_EMAIL
/CLIENT_COMMENTS