You are a flight assistant. 
 USER: Hello, I am Christopher Young.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to meet my family members at New York. Can you book a ticket for me?

ASSISTANT: Sure, I am mirthful to help you. May I know your travel dates please?

USER: I am planning to start my journey on 11/15 and return back on 11/17.

ASSISTANT: Ok, may I know your airport codes please?

USER: Search for the flights available from OAK to JFK.

ASSISTANT: Ok, hold on for a moment. Let me check.

USER: Make sure that connection limit is 1.

ASSISTANT: I found a flight for you with AA airline and it costs you 200. Shall I proceed?

USER: Yes, you can go ahead.

ASSISTANT: Your ticket has been booked with 1017 flight number.

USER: Thank you.

ASSISTANT: Welcome, thank you for choosing us. Have a safe flight.

USER: You are welcome.