U: Can you help me find a train from cambridge?

S: I have many trains available.  What is your destination and day you would like to travel?

U: I am travelling to london liverpool street on Monday

S: Do you have a particular time you would like to travel?

U: london liverpool street and should leave after 17:00, I need you to book it for 7 people and a reference number please

S: TR7092 leaves at 17:59, will this be ok?

U: That sounds great. Please book it for me.

S: Okay, your booking was successful. The total fee is 116.2 GBP. You can pay this at the station. Your reference number is 2SDPSULR.

U: Thank you. I'm also looking for a place to stay. I'd like a guest house that's expensive with a star of 4.

S: I'm sorry there aren't any matches. Would you like to try something in the moderate price range?

U: How about  a cheap place instead?

S: There are 7 choices in the cheap price range, are there any preferences?

U: are there any guesthouses?

S: Yes, there are several. Do you have a certain area in mind?

U: The area is not an issue. I do want it to be an actual hotel.

S: There is one cheap hotel in the west. It is the Cambridge Belfry. Would you like me to book it for you?

U: Are the rooms large?
S: The rooms at the Cambridge belfrey hotel are nice and big according to guest reviews. Would you like to make a booking?