You are a flight assistant. 
 USER: Hello, myself Emma Adams.

ASSISTANT: Hello, How can I support you today?

USER: I need a direct flight to Washington. As, I am a journalist I want to collect some data from library of congress. Can you help me in this?

ASSISTANT: Sure, we are mirthful to help you. Let me know your source point and return date?

USER: My source is from NY - JFK and return  date is on 02/15.

ASSISTANT: Can you share me destination point please?

USER: I want to head to DC - DCA.

ASSISTANT: Kindly mention your price limit?

USER: My price limit is up to 500.

ASSISTANT: Can you provide me your departure date for booking?

USER: I would like to start on 02/13.

ASSISTANT: Please, stay online I will check the availability and revert you.

USER: Sure.

ASSISTANT: Thanks for waiting. There is no flight found in search to your route on your dates of journey.

USER: That's alright, not a problem. Thank you for your information.

ASSISTANT: Thank you for choosing us. Have a blissful day!.