Domains: Hotels_13, Flights_13

user: Make me a hotel reservation

system: Which city and whats the check in date?

user: Looking for hotels in London for the 2nd

system: for how many days?

user: for only 1 day

system: Which hotel to book?

user: Book the Doubletree By hilton Hotel London - Ealing

system: PLease confirm: Booking 1 hotel room for 1 day at the Doubletree By hilton Hotel London - Ealing, London for a checkin of March 2nd

user: Yes, thats right

system: your booking is odne

user: Ok, now get me a flight to London for three people from Chi-town

system: on March 2nd?

user: No, make it March 1st

system: I got 3 flights, of which there is a 1 stop American Airlines flight leaving at 4:30 am and costs $444

user: anything else available?

system: yes, there is a 1 stop Delta Airlines flight leaving at 9:15 am and costs $320

user: when doe sit arrive

system: at 6:37 am

user: that is good

system: should i book it?

user: yes please

system: please confirm: booking 3 economy tickets on a Delta Airlines flight leaving from Chicago to London on march 1st

user: yes, ok. Is it refundable and whats the departure airport?

system: Its booked. It leaves from O'Hare international airport and the ticket is not refundable

user: thanks, thats all

system: have a good day!