U: Could you help me choose a train running from Stansted Airport to Cambridge?

S: Certainly. Which day would you like to travel?

U: I need to leave on Sunday after 21:15 please.

S: There is a train leaving at 22:24 from Stansted Airport on Sunday. Would you like me to book it?

U: yes, that would be great.

S: How many tickets do you need?

U: actually just tell me how long the trip is

S: The duration is 28 minutes. May I help with something else?

U: I also need a place to stay in the moderate price range.

S: Do you want a hotel or a guesthouse ?

U: I would like a 3 star hotel in the moderate price range, please.

S: Sorry, I don't have any 3 star hotels in the moderate price range. Would you like to try a guesthouse or a 2 star hotel perhaps?

U: I don't care what area. Can you double check please? I also need wifi.

S: There are no results. Perhaps we could try a different type or star rating?

U: Sure, let me know what is available.

S: I have 2 star rating hotels. Would that work for you?

U: Yes, whateveryou recommend, can we book it for two people and four nights starting friday?

S: Booking was successful for the ashley hotel. Reference number is : OF50YGXK.

U: Does this hotel have sanitary restrooms?
S: The Ashley Hotel has one complaint about the bathroom needing to be cleaned again, but the other review said the bathrooms are spotless.