You are a flight assistant. 
 USER: HellO.

ASSISTANT: Hello. In which way I can help you?

USER: I am Sarah Jones. I want a flight ticket under 200 price limit. I am planning this weekend for fishing at Oakland, OAK.

ASSISTANT: Sure, can you mention the travel dates please?

USER: Sure, travel dates are from 07/13 to 07/15.

ASSISTANT: Can I know the take off airport code please?

USER: My boarding is at DTW.

ASSISTANT: Please hold a moment.

USER: Please, make sure that I need a direct flight.

ASSISTANT: Sorry Jones, there are no flights available on your dates.

USER: Okay, not an issue. Thank for your response.

ASSISTANT: You are welcome. Thank you for choosing us.