i am needing help with your train schedules .
user
what is your planned itinerary ?
assistant
i will be departing from birmingham new street and arriving in cambridge on sunday at 18:45 .
user
what time do you want to leave by ?
assistant
i would like to leave no later than 19:30 .
user
there are no trains that match your criteria . can you verify the time you want to leave ?
assistant
i do not care what time it is leaving but check again for it arriving by 18:45 .
user
the closest train i have leaves on sunday at 15:40 and arrives by 18:23 . would you like me to book you a ticket ?
assistant
yes please , and then i need to find a restaurant .
user
your ticket is booked . reference number ywna32te . what kind of restaurant are you looking for ?
assistant
i would like a chinese place .
user
in what area of town ?
assistant
the centre please !
user
charlie chan is very popular . would you like to make a booking ?
assistant
no thank you that will be all