U: I'd like information on trains departing from Cambridge and arriving at London Kings Cross.

S: We have trains departing for Kings Cross every 2 hours.  What day would you like to travel?

U: I would like to leave Sunday and arrive by 14:30.

S: TR7447 leaves at 13:00and costs 18.88 pounds. can we book?

U: Ok.  Thanks.  That's what I wanted.

S: Does this mean you would like me to book the train for you?

U: Yes, Can you please?

S: Here is the reference number VHNBPCYY

U: thanks so much for all of your help

S: Is there anything else I can do for you today?

U: I need to find an expensive Mediterranean restaurant.

S: There are 2 expensive Mediterranean restaurant in the centre. Would you like a reservation for one of them?

U: Yes whatever one you recommend. I'll need seating for 7 people at 11:00 on Sunday please.

S: I would highly recommend the La Mimosa, I have you booked for Sunday at 11. The reference number is MZ1VEJL0.

U: Do they have a good selection of beer?
S: I can't be sure, I couldn't find any reviews that mentioned anything about their selection. But customers did say they liked their drinks.