find me a cheap vietnamese food place please .
user
we have thanh binh . would you like a reservation ?
assistant
yes , please book a table for 8 on thursday at 15:00 .
user
booking was successful . the table will be reserved for 15 minutes . reference number is : lakqv5ek .
assistant
i also need a friday train .
user
ok , from where to where do you need a train ?
assistant
i am departing from cambridge and going to birmingham new street .