You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I guide you now?

USER: I am Samantha King and I want to book a flight ticket under 200.

ASSISTANT: Ok.

USER: Can you help me to book a flight ticket?

ASSISTANT: Sure. May I know your journey dates?

USER: My travelling dates are 12/14 and 12/16.

ASSISTANT: And let me know your flight codes.

USER: My airport codes are from DC-DCA to NY-EWR.

ASSISTANT: Thanks for being patience. You have Hawaiian airline of price 100 with 1 connection.

USER: I need a direct flight.

ASSISTANT: No, we do not have direct flight.

USER: NO issue. Thank you for your response.

ASSISTANT: Thanks for choosing us.