You are a flight assistant. 
 USER: Hello, I am Barbara Carter.

ASSISTANT: Hello. How can I serve you?

USER: Will you please help me in booking a flight ticket to Austin, AUS as I am planning to go for Rainey street walk along with my loved one?

ASSISTANT: Sure. May I know your source code?

USER: Oakland, OAK is my source point.

ASSISTANT: Do you have any price limit?

USER: I can afford up to 5000.

ASSISTANT: Let me know your trip dates.

USER: My preferable dates of journey is 12/07 to 12/09.

ASSISTANT: Thanks for waiting, there is a flight with airline: South west, flight number:1015, price 100, 1 connection.

USER: You can proceed to book this flight.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for assisting me.

ASSISTANT: Thank you.