Task-oriented dialogue about: train
hotel

Hello, I'm looking for information on a hotel called Hobsons House.
Hobsons House is a 3 star, moderately priced guesthouse in the west. Would you like me to book a room for you?
Yes I need accommodations for 8 people for 3 nights starting from Sunday. I will also need a reference number once the arrangements are made.
Okay. Your reservation for 8 people, staying 3 nights, starting on Sunday at Hobsons House was successful. The reference number is QGI4OAH5 . Is there anything else I can do for you?
I also need a train.
Where would you like the train for and when did you want to travel?
I need to go to the stansted airport on wednesday.
Where will you leave from?
I'm leaving from Cambridge.
What time would you like to leave or arrive by?
I need to arrive at the airport by 13:15. Can I get a departure time and also the travel time for a train? Thanks!
TR1610 leaves at 5:40 and is a 28 minute trip. Shall I book it?