U: I need a Friday train, to arrive by 19:30.

S: there are many trains! where are you coming from?

U: I am heading to Broxbourne from Cambridge.

S: Is there a certain time you would like to leave?

U: No, I just know that I need to arrive by 19:30.

S: TR2436 will arrive in Broxbourne at 19:01. Would you like me to book a ticket for you?

U: yes please for four people

S: I have you booked on train TR2436 for 4 people, your reference number is UGROZAQ1.  71.59 is payable at the station, can I help with anything else?

U: Yes, I am looking for an expensive restaurant to dine at earlier the same day.

S: Did you have a particular type of cuisine you were looking for?

U: I am flexible on the cuisine. But I would like something in the centre of town that is expensive.

S: I recommend Fitzbillies Restaurant.  It is an expensive restaurant in the centre that serves British cuisine.  Would you like to make a reservation?

U: Are their fish and chips reasonably priced?
S: While diners love the food, notably the fish and chips, the prices are not cheap. Are you still interested or should I find something else?