Task-oriented dialogue about: train

I'm looking for a train going to london liverpool street.
the train id is TR5154 and it leaves cambridge on friday
I am actually leaving on Saturday from cambridge.
The train id is TR2895 and it leaves cambridge on saturday .
Great, can you please book it for 2 people and give me the reference number? Thanks.
You are all booked for Saturday. The train departs at 05:59 and arrives at 07:27. The price is 13.28 pounds.