Task-oriented dialogue about: train
hotel

I am looking for the acorn guest house.
Ah, yes. The Acorn Guest House is moderately priced and located in the north. It has a 4 star rating and offers both free internet and parking.
Sounds perfect. What is the phone number?
its phone number is 01223353888
Thank you. Can you also find a train that leaves on sunday and departs from cambridge.
Where are you going to and what time would you like to leave?
I am leaving from cambridge and going to ely and I need to leave after 19:30.
The TR3544 leaves at 19:50 and arrives at 20:07. Would you like to book it?
yes book it for me please
How many people do you want to purchase tickets for?