I aM looking for a train. The train should depart from peterborough and should leave after 12:30.
There are a number of trains that could work for you. Do you have a time you'd like to arrive by? Or a day of the week you'd like to travel?
I'm headed to Cambridge on Tuesday. 
Train TR7307 leaves Peterborough at 12:48 Tuesday, and will arrive at Cambridge by 13:38. Would you like me to book it for you?
I don't want to book yet but could you tell me the travel time?
should i book for you?
No I JUST told you I only want the travel time!
Train TR7307 Leaves at 12:48 and arrives by 13:38.  Is there anything else that I can help you with today?
No that's it.  Thanks.
Alright then, thanks for calling & have a great day!