May 13 (Reuters) -
* CANADA WANTS U.S. TO AGREE TO EXTEND EXISTING BAN ON NON-ESSENTIAL TRAVEL UNTIL JUNE 21 - TWO CANADIAN GOVERNMENT SOURCES
* "IT'S TOO EARLY TO LIFT THE RESTRICTIONS", SAYS CANADIAN GOVERNMENT SOURCE
* CANADA'S DISCUSSIONS WITH UNITED STATES ABOUT EXTENDING BAN ON NON-ESSENTIAL TRAVEL HAVE BEEN POSITIVE - CANADIAN GOVERNMENT SOURCE