You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I aid you today?

USER: I want to attend my friend birthday in Oakland, CA - OAK, will you help me in flight booking?

ASSISTANT: Sure, May I know your name?

USER: My origin source from PA - PHL, and my travelling dates from 09/11 to 09/13. My name is Nicholas White.

ASSISTANT: OK please wait for a while, I will check the availability of flights and inform you.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a flight 1005 in AA airline and price is 100 with single connection. Shall I proceed for booking?

USER: Sure, confirm my booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you, for your good service.

ASSISTANT: Thank you for reaching us, have a safe journey.