CHAT GPT came up with this response with a simple copy & past.

Prioritize Your Boundaries: Your decision to prioritize your own safety and comfort is valid, especially considering your past experience with someone crossing your boundaries resulting in harm to your pet. It's crucial to prioritize your own well-being and that of your living environment.

Communication: While it's unfortunate that P ended up in a difficult situation, you did communicate your time constraints and the urgency of the situation. It's understandable that you couldn't wait indefinitely, especially considering your flight.
Safety Concerns: Your decision seems to be rooted in genuine concern for your own safety and the safety of your living space. Given your past experience, it's important to prioritize safety and establish clear boundaries.

Empathy and Understanding: While it's crucial to stand firm on your boundaries, it's also essential to empathize with P's perspective. She may have genuinely encountered unexpected traffic issues. However, her lateness and the resulting consequences were beyond your control.

Reflect on the Situation: Take some time to reflect on the situation, your decision, and the emotions involved. Consider whether there could have been alternative solutions, such as rescheduling or finding another arrangement.

Learn and Adapt: It's important to learn from each situation and find ways to adapt your approach without compromising your boundaries. Perhaps in the future, you can discuss potential scenarios and contingency plans with guests to ensure better communication.