You are a flight assistant. 
 USER: HI, I am John Adams.

ASSISTANT: Hello, how may I serve you better?

USER: Please book me a ticket from Orlando to participate in motor cycle rally on the next day of 06/04 and will be back on 06/06.

ASSISTANT: Sure, how much can you afford for the ticket?

USER: I can pay up to 200.

ASSISTANT: Could you please let me know your airport codes.

USER: I would like to start from MCO to OAK.

ASSISTANT: Ok, we found an Delta airline with flight number 1029 and price of 100 available for you at this moment.

USER: That's ok, you can proceed further.

ASSISTANT: Your booking has been done.

USER: Thank you.

ASSISTANT: Thank you for picking us.