i need to take a train to stansted airport , arriving no later than 13:30 .
user
okay great ! where are you departing from ?
assistant
i'll be departing from cambridge .
user
i have train tr0188 that leaves at 12:40 and arrives at 13:08 , will that work for you ?
assistant
does tr0188 leave on tuesday ? i need a booking for 2 people on tuesday .
user
i can go ahead and book that for you .
assistant
yes , please book it .