You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to visit Angel Island in Oakland with my friends on 05/12.Can you please help me out?

ASSISTANT: Can I know your please share your travelling airport codes?

USER: The travelling airport codes are from IL-ORD to CA-OAK.

ASSISTANT: What will be the dates of your arrival and departure for this journey?

USER: The departure date is 05/10.

ASSISTANT: May I know your name for booking formalities?

USER: Sure, my name is Richard Lee.

ASSISTANT: Flight 1012 is available for you with 1 connection limit at the price of 100, would you like to book it?

USER: That's fine, proceed with my booking.

ASSISTANT: Your booking is confirmed Mr.Richard Lee.

USER: Thank you for your service. 0.

ASSISTANT: Have a safe flight, happy journey.