U: I need to book a train from bishops stortford to Cambridge on Saturday arriving in Cambridge before 12:30.

S: I have TR4594, leaving at 11:29 and arriving in 12:07. Is that OK?

U: I actually need to leave after 20:30 on Friday. So whatever is closest to that time will be fine.

S: Okay. The TR4549 leaves at 21:29. Will that suit?

U: Yes that works.  Can you book it for 5 people and send me the reference number?

S: Ok I have 5 tickets booked on TR4549. Your reference number is NTPYZBY4.

U: Thanks! Can you also check and see what 3-star guesthouses you have?

S: We are listing four guest houses. Which area of town are you looking for?

U: The east part of town, it should also include free wifi.

S: I'm sorry but there are no guesthouses that I can see on the East side of town, can I look in a different location?

U: Yes, are there any 3 star guesthouses in the west that include free wifi?

S: Yes there is Hobsons house is in the west and has free wifi.

U: Do you know if Hobsons House has bathrooms that are clean?
S: According to some of the reviews the bathrooms are very clean even pristine, but other guests have stated there was evidence that the bathrooms are not cleaned well.