You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, can I help you?

USER: I am Janet Anderson, I need to book a flight ticket to Washington, DC - IAD to attend for a Live concert.

ASSISTANT: Ok, can I know your trip dates?

USER: My trip dates are on 06/09 to 06/11.

ASSISTANT: How much you can afford?

USER: I can afford up to 500.

ASSISTANT: May I know your source point?

USER: My source point is NC - CLT.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Sorry, there are no flights available to your route.

USER: No problem, thanks for your quick response.

ASSISTANT: Thank you for choosing us.