i am planning a trip in cambridge
user
alright , how can i help you today ?
assistant
i am looking for a restaurant that serves afghan food in the centre .
user
there are no afghan restaurant -s in the centre of town .
assistant
what about an international restaurant ?
user
may i recommend the bloomsbury restaurant in the moderate price range .
assistant
what s the postcode for that place ?
user
cb23dt . what else may i help with ?
assistant
i am looking for a train that will depart from cambridge and will arrive to london liverpool street .
user
sure , what day are you traveling ?
assistant
i will be leaving on friday after 08:30 .
user
train id tr4187 leaves 13:59 and will cost 16:60 pounds . can i book for you ?
assistant
no , thanks ! but how long is the ride ?
user
the train ride is 88 minutes long .
assistant
thank you , that will be all .