You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you?

USER: I am Joseph Carter.

ASSISTANT: Ok.

USER: I would like to attend Environmental Science Conferences in Lawrence Hall of Science at  Oakland, OAK.

ASSISTANT: Ok.

USER: Can you please help me in reservation from Chicago, ORD?

ASSISTANT: Sure, may I know your travelling dates?

USER: My journey dates on 07/04 and 07/06.

ASSISTANT: May I know your destination code?

USER: I already mentioned above.

ASSISTANT: Please mention your price limit?

USER: My price limit should be up to 500.

ASSISTANT: There is a Jet blue 1010 airline which matches your requirements. Shall I proceed with booking?

USER: Ok, please proceed.

ASSISTANT: Your booking has bee confirmed on name of Joseph Carter.

USER: Thank you for your help in booking.

ASSISTANT: Thank you for approaching us.