Task-oriented dialogue about: restaurant
train

I am looking for an expensive restaurant in the centre at Cambridge.
There are 33 restaurants that fit your requirements, is there a type of cuisine you are interested in?
The restaurant should serve seafood.
Loch Fyne is an expensive seafood restaurant in the centre. Should I book it?
Yes please. Can you book it for 3 people on Wednesday?
What time would you like me to book the reservation?
Please book the reservation for 18:30.
The booking was successful. The reference number is JX5WC64A .
Thanks. Now I need to find a train from stansted airport to cambridge on wednesday.
i have found 19 trains. what time do you wish to depart?
I need to arrive by 15:15, can you give me a train ID matching that and a departure time?
TR5499 leaves Stansted Airport at 14:24 and arrives in Cambridge at 14:52. Would that work for you?
That is everything I needed to know. Thanks for your help!
Okay I am glad to be of service. Thanks for calling.