Try this
- Check the available return options and their actual timing or booking requirements.
- Agree on whether separate departures are practical. Keep each person’s latest comfortable leaving time visible before choosing a late extension.
A worked example
“If the last bus is too early, we can leave separately or choose another ride.”
An invented example to adapt, not a real exchange or a script you have to follow.
Before you leave it here
Do not make one person’s later preference create an unagreed obligation for the other.