Passenger: Excuse me! The 6:15 train to Bristol, where is it?
Worker: It left two minutes ago.
Passenger: Oh no! My taxi was late. I have an important meeting tomorrow at nine.
Worker: Don't worry. There is another train at 7:05.
Passenger: But my ticket is for the 6:15 train. Do I need a new one?
Worker: No. Your ticket is "flexible". You can take any train today.
Passenger: Really? That's good news. How long is the journey?
Worker: One hour and ten minutes. You arrive at 8:15.
Passenger: Great. Where do I wait?
Worker: Platform 4. The train comes in ten minutes before it leaves. Have a nice trip!
Fiction note: All people, places and events in this dialogue are fictional.