At a railway station -- Situational Dialogues -- How to say

At a railway station -- Situational Dialogues -- How to say 1. - When does the London train leave, please? - 9.25, Platform 3. - What time does it reach London? - You should be there at 11.31, but you may be a bit late. - Do I have to change? - Yes, you change at Lewis and East Croydon. 2. - Which train do I take for Victoria, please? - 9.28. This end of Platform 2. - When does it get in? - It gets there at 11.34. - Must I change? - No, it&a through train. 3. - Which platform for London Bridge, please? - 9.27 from Platform 1. - What time does it arrive? It takes roughly two hours. So, you&arrive just before 11.30. Is it necessary to change? No, there&no need to change. 4. What time&the next train to Victoria, please? 9.26, Platform 4. Right up at the front. When do we get there? It&due in at 11.35, but they&running late today. Need I change trains? Yes, change at East Croydon.