I am looking for a train from Cambridge to Leicester.
What day will you be leaving?
I will be leaving on Monday.
There are 19 trains, would you like me to book you one?
I need to arrive in Leicester by 21:15, do you have one like that?
There's a train arriving at 21:06. Would you like to  book that train now?
That will probably work. What is the travel time for that train? 
It will be a 105 minute trip
Okay, that's all I needed to know.  Thanks.
Thank you for contacting Cambridge TownInfo Centre. Have a great day!