You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: I am Brenda Williams.

ASSISTANT: Nice to meet you Brenda Williams.

USER: I need to attend a meeting with my clients in Los Angeles city in the month of December. Can you help me in booking my flight ticket to LAX from DCA.

ASSISTANT:  Sure, I can help you with that and can you please mention your departure and arrival dates of your journey?

USER: My trip dates are Dec 13 to Dec 14.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: May I know your exactly return date?

USER: I have changed my return date which is Dec 15.

ASSISTANT: Hawaiian airline is providing flight with price 100 and connection is 1, shall I proceed?

USER: I need a direct flight.

ASSISTANT: Sorry, we could not find any direct flight for this route.

USER: No issue, thank you for checking.

ASSISTANT: My pleasure.