When does it depart?
Hello, I'm going to Xiamen on business next Sunday morning. Is there any high-speed train leaving from Nanjing?
user
OK, do you prefer to travel first or second class?
assistant
I'd like a second-class seat.
user
OK, there is G1667 from Nanjingnan to Xiamenbei.
assistant
Inform Train departure time 06:57