Bottle trouble

Hello po! We've been EBF for 4 months and only introduced the bottle around less than 10 times when baby was at 1-2 months. At 3 months we tried to go out and left milk for the baby but she won't take it and tinulog na lang po. Now that I'm working again, I go back and forth the house and office because she would completely reject the bottle and other equipment. What would be the best thing to do? This is really urgent po! ?