Can you help me find a train leaving Cambridge, to arrive by 12:00?
Where is your destination?
I am going to Ely.
On what day will you be travelling?
Actually, I need to go Birmingham New Street and will be traveling on Friday.
I have train TR3732 arriving at 11:44 that is the closest I have to 12:00. 
That is perfect.  Can you book 1 seat for me please?
Booking was successful, the total fee is 75.09 GBP payable at the station. Reference number is : NCZQBZUY.
I am also looking for a guesthouse in the north that has free parking.
acorn guest house would be perfect. Shall I book it ?
yes, please. I want to book it for the same group of people and 4 nights starting from monday.
I am having trouble booking that for you. Lets try others.
How about tuesday?
Yes, I am able to book the Acorn Guest House on Tuesday, for four days. Would you like to process this?
Yes, give me the reference number.
Sorry, my system isn't able to process this right now. You may want to contact the hotel directly.
Okay, thank you. Good bye.
Good bye. Sorry I couldn't help more. Have a great day.