U: Hi. I need to find a train.

S: Sure, where and when are you departing from?

U: I'm departing from bishops stortford. I need to arrive in cambridge by 13:15.

S: On Friday, you can catch the TR6834 and arrive by 12:07.  Will you be traveling on Friday?

U: No, I'll be leaving on Sunday.

S: The TR1478 runs on Sunday and will get you in by 12:07. Will that work for you?

U: Yes thats perfect can you book that?

S: Before I book  I need to know how many tickets you need?

U: It will be for 3 people.

S: three tickets, you will arrive at 12:07 or a little after. 24.24 GBP payable at the station, your confirmation is YQ92IJKO. Is there anything else I can help you with?

U: I also need a restaurant in the moderate price range in the centre. I need a reservation for 3 at 20:30 on Sunday and please provide the reference number.

S: There are 21 moderately priced restaurants in the centre, do you have a preference for the type of food served?

U: I don't care about that. Please just pick what looks good to you!

S: The yippee noodle bar serves asian oriental food. Do you want me to book this restaurant for you?

U: Is this restaurant known for it's good service?
S: I found a couple of problems with the service there, one person felt that they were rude, and another felt they were slow. . Would you like to look at some other options?