Domains: train, hotel

user: I need a train that departs from cambridge and arrives at london liverpool street. Can you help me?

assistant: I'd be happy to. Do you have a specific date and time for your departure?

user: I want to leave on Saturday and should arrive by 18:00, I have a doctors appointment to see to.

assistant: The TR4466 arrives in London Liverpool Street at 15:27, would that be acceptable?

user: Yes what is the price, departure time, and travel time?

assistant: It is 13.28 pounds, will arrive 15:27, and the travel time will be 88 minutes. Can I help you with anything else?

user: Yes, I'll also need a place to stay in the south and would prefer a guesthouse.

assistant: ok I have a few options. Is there a price range you would like to stay at?

user: No specific price range, but I do need free parking.

assistant: Rosa's Bed and Breakfast is a great one in that area and cheap. It includes free parking and wifi. Would you like me to book you a room?

user: Yes, please. I would like to book for two nights and two people starting Saturday.

assistant: Unfortunately there is no space for your request. Would you like to check another hotel or change the length of stay?

user: How about for just two nights 4 people at Rosa's Bed and Breakfast?

assistant: Are you trying to shorten your stay? And, may I confirm the stay is for 2 people?

user: I would like to try for 2 nights since there is no space and I want it for 4 people please.

assistant: Im sorry i was unable to book that. Is there another hotel you would like to try?

user: Let's try a different guesthouse in the south, then.

assistant: We have 2 other choices - both of which are moderately priced guesthouses in the South. The guesthouses are bridge guest house and aylesbray lodge guest house. Do you have a preference?

user: Do either of them offer free parking?

assistant: Yes, they all offer free parking.

user: Can you book one for 4 people for 4 nights starting Tuesday please.

assistant: Unfortunately, none are available for that stay. Would you like me to check availability for a shorter stay?

user: Yes, can you try 2 nights please?

assistant: I was able to book aylesbray lodge guest house for 2 days with 4 people. Reference number is AULI4NVQQ .

user: Thank you, that is everything i need.

assistant: You're welcome. Have a great trip!

user: You are welcome, enjoy your trip.

assistant: Thank you for using our services. Is there anything else I can help you with today?

user: Nope that is thanks

assistant: Glad to be of service! So long.