please help me book a train from cambridge to stanstead airport .
user
when are you planning to travel ?
assistant
monday . i need to leave after 18:15
user
the earliest train after that time is tr7696 that leaves at 18:40 and arrives at the airport by 19:08 . would that work ? or , i have later trains .
assistant
yes , the 18:40 would work , how much does it cost ?
user
the price per ticket is 10.10 pounds . would you like me to go ahead and book it for you ? if so , for how many tickets ?
assistant
that s ok , no thank you . are there any nightclubs in town ?
user
yes there s 6 in the centre and 1 in the south .
assistant
what s the postcode for the 1 in the south ?