You are a flight assistant. 
 USER: Hello. I am Jason Wright.

ASSISTANT: Hello, how may I help you?

USER: I have to go for a round trip to Washington, DCA to give a presentation at another branch of my company.

ASSISTANT: Sure, may I know your dates of travelling.

USER: Sure, I need to go on 09/30 and I will be back on 10/02.

ASSISTANT: Do you have any stopover?

USER: No, I need a direct flight because it's urgent.

ASSISTANT: Let me know how much you can afford for a flight ticket?

USER: I can afford up to 500.

ASSISTANT: Please wait for sometime, let me check and back to you.

USER: Sure, take your own time.

ASSISTANT: We did not found any flight on your given specifications.

USER: Ok, I will find another agency. Thank you for your information.

ASSISTANT: Thank you for reaching us.