鲁达 客服：Good mornig, the CH airlines,what can I do for you?
我：yes,I'd like to make a reservation for flight CA1420 to DaLi tomorrrow?
客服：We have flight CA1420 tomorrow. Just a moment me check whether there're seats available.I'm sorry we are all booked up for flight CA1420.
我：Then, any alternatives?
客服：The next available flight leaves at 9:00 a.m. this Tue I book you a seat?
我：Er...it is a direct flight,isn't it?
客服：Yes it is.You want to go first class or coach?
我：I prefer first class,what's the fare?
客服：One-way is ￥1234.
我：Ok,I'll take one.