Read the following conversation and answer the question. M: I'd like to book a seat on the 8:30 flight to New York on 1st July. W: I'm sorry, Sir, that flight is fully booked. M: Oh, well, in that case I'll go on the 10:30. W: Yes, Sir, we have seats on that flight. Question: What do you know about the flight on 8:30? - The tickets were all sold out - It has changed its taking-off time - The plane is too crowded
A:
The tickets were all sold out