U: I would a train. I'm going from birmingham new street and it needs to arrive by 11:00.

S: What day would you like to travel?

U: I am leaving on Saturday, and the train should go to cambridge.

S: TR8259 will arrive in Cambridge at 10:23. Would you like me to book a ticket for you on that train?

U: Not yet. First I would like to get price and departure time.

S: It will depart at 7:40 and it will cost 60.08 pounds. Do you need help with anything else?

U: and i need a place to stay

S: Okay there are many options. Do you have a price preference or area?

U: I would like something in the east. I also prefer a guesthouse.

S: There is a and B Guesthouse, it is in the East part of town

U: That sounds good, I have 7 people in total.

S: Could you tell me the dates, and how many rooms you will be needing?

U: It will be for Saturday and for 3 nights.

S: Okay, three nights. Would you like me to book that?

U: Yes, of course I want you to book it. And give me the reference number too!

S: Unfortunately I am having trouble with booking that for you. Is there other options we could explore.

U: Hmmm, could you try again. That is what I really need.

S: Unfortunately it isn't allowing me to make that reservation. I am sorry, is there anything else I can do for you?

U: Is there another guesthouse with a 4 star rating in that area?

S: Yes. The A and B Guest House meets all of your criteria. Would you like me to book it for you?

U: Is it located in a trendy neighborhood?
S: The A and B Guest House is in a good location which makes it easy to visit places walking, but I am not sure about trendy.