[解析]
M:Good afternoon.How can I help you?
W:Um Yes,when I arrived at platform five,my train has gone.
M:Where are you going?
W:I'm going to Manchester.
M:Yes,that was the 4:20 pm one.
W:What time is the next one?
M:Let me see the next train to Manchester leaves at 5:15pm And it will get to Manchester at 6:30pm
W:Is it also from platform five?
M:Let me see.No,it is from platform two.Oh Sorry,I misread it.It is from platform seven.
W:Okay.Can I use the same ticket?
M:Just a moment,please.Can I see your ticket?
W:Yes,here you are.
M:I'm sorry.You can't use this ticket.This ticket is valid before 5o'clockAnd after 7o'clock.During the rush hour,Tickets are more expensive.I can change your old ticket for a new ticket.Your ticket cost£7fifty.And The new ticket is£11.So You just pay the difference,
W:okay.Thanks.