What is the date today according to the talk?

A: Good afternoon. This is American airlines. Can I help you?
B: Good afternoon. I’d like to cancel my reservation on flight 18 to London on July 10th, the day after tomorrow.
A: May I know your full name, please?
B: My name is William Cotton.
A: Just a moment, please. Thank you for waiting. I’ve canceled your reservation. Shall I make another reservation for you?
B: Yes, please. I’d like to make a reservation to Beijing on July 11th.
A: Hold on, please. Let me check it for you. I am sorry but our flights are fully booked that day.
B: Oh, then when does the next available flight leave?
A: The next available flight leaves at 8am, July 12th. Shall I reserve you a seat?
B: Yes, please.
A: Do you prefer first class or economy class?
B: I’d like economy class, please.
A: And a window seat or an aisle seat?
B: A window seat, please. How much is it, please?
A: 1450 Yuan. Mr. Cotton, you can get your ticket at any of our offices with your ID card. Thank you for calling us.
B: Thank you very much.
A: You are welcome.