U: Hello, I'd like some information on a train departing from stansted airport.

S: Sure, I can help you with that! What information are you looking for?

U: it should depart stansted airport and arrive at cambridge by 8:30 on wednesday.

S: There are 3 different options that fit your request. Which time would you like to depart, 05:24, 06:24, or 07:24?

U: I need to depart whichever train gets me to Cambridge closest to 08:30 am.

S: the TR0196 arrives by 7:52. do you want to purchase a ticket?

U: yes and I need a reference number please thank you

S: How many tickets will you need?

U: Nevermind.  I'm going to just purchase my ticket at the station.  Can you check for Swedish restaurant for me?

S: I'm sorry but we don't have any restaurants that serve Swedish food in the area. Is there another type of food you would like to try?

U: how about one with italian food?

S: recommend pizza hut city centre. it a very good joint.

U: Are the known for serving high quality Lasagna?
S: Half the guests that previously dined at the Pizza Hut City Centre regarded the food as being delicious while the rest felt it was nothing special.