Instruction: You are given a dialogue context. Read a dialogue text and generate an appropriate response as a system.

text: [CONTEXT][USER] I am trying to find a train leaving after 14:45 that's heading out from London Liverpool Street. What do you have? [SYSTEM] There are 45 trains that fit your criteria. Please clarify your destination, day of travel and the time you want to arrive by so that i can narrow it down. [ENDOFTURN][USER] I need a train to Cambridge on Tuesday. [QUESTION] The response is