U: I need to take a train from Cambridge to Stansted Airport I need to arrive by 14:45

S: What day do you want to travel?

U: I need to go on Thursday, please.

S: TR0521 will depart at 13:40 and arrive at 14:08. The 28 minute trip will cost 10.10 pounds. Would you like to book a ticket?

U: Yes please and provide me with the reference number as well.

S: Booking was successful, the total fee is 10.1 GBP payable at the station. Your reference number is TDPEQ21Q. Do you need anything else?

U: I need place to stay with free wifi.

S: What area are you looking to stay in?

U: It doesn't matter.  I like 4 star guesthouses though.

S: I have quite a few that fit your description. What price range are you looking for?

U: I'd prefer something in the moderate price range.

S: I recommend the Arbury Lodge Guesthouse in the north. It meets your specifications. Would you like help in booking it?

U: Do they have a strong internet connection?
S: Most reviews for the internet connection at Arbury Lodge are positive, with only one reviewer expressing dissatisfaction at the speed.