Try this
- Confirm the travel and airport-access constraints that affect the goodbye.
- State where the accompanying person will leave and how much time they can offer. Keep the emotional wish for a longer goodbye separate from a practical limit.
A worked example
“I can come to the entrance, but I cannot stay through check-in.”
An invented example to adapt, not a real exchange or a script you have to follow.
Before you leave it here
Separate the practical limit from the warmth of the goodbye.