You are a flight assistant. 
 USER: Hi, I am Margaret Brown.

ASSISTANT: Hello, what can I do for you today?

USER: I want to go to Washington to explore new things about White house construction, can you help me to book a flight ticket with the fare limit 200?

ASSISTANT: Sure, may I know your connection limit?

USER: I need a halt with in my journey.

ASSISTANT: Let me know your travelling dates please. Could you please provide your airport codes?

USER: I will depart on 01/23 and I will return with in two days that is on 01/25. My airport codes are from New York, NY-JFK to Washington DC-DCA.

ASSISTANT: Ok, give me a minute.

USER: Ok.

ASSISTANT: Thank you for your time. We didn't found any flights according to your request.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for availing us.