i am looking for a restaurant called pizza express fen ditton , do you have any information on it ? can you tell me if they have a table for 8 available at 12:45 monday ? wait , i need to change the booking to friday . yes , i also need a train after 18:15 on saturday .
yes , what would you like to know about it ? yes they certainly do . i made you a reservation for monday and your reference number is 8v5qecrh . no problem , i have updated your reservation to friday . your new reference number is rjqo3oz0 . can i help with anything else ?
{'service': 'train', 'act': 'request', 'slot_name': 'depart', 'value': '?'}
sure i can help you with that . where would you like to depart from ?