You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am Ryan King want to shoot my film at Oakland, can you book a ticket with price under 500?

ASSISTANT: May I know your desired travel dates please?

USER: Sure, my travelling dates will be 02/05 and 02/07.

ASSISTANT: Can I know your preferred airport codes please?

USER: Yes, I want to fly from DCA to OAK.

ASSISTANT: There is a flight with connection limit 1 and fare 100, is it ok for you?

USER: Ok, proceed with my booking.

ASSISTANT: Your ticket is booked, flight number 1003 with Spirit airlines.

USER: Thank you.

ASSISTANT: Thank you for reaching us.