You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Emma Carter.

ASSISTANT: How can I guide you today?

USER: I am planning for the trip to New York, I need a direct flight from Washington. Can  you please help me in ticket booking?

ASSISTANT: Sure, can I know your trip dates?

USER: My trip dates are 01/05 and 01/07.

ASSISTANT: Please tell us your airport codes.

USER: My nearest airport codes are DCA and LGA.

ASSISTANT: Please wait for a moment.

USER: Ok, take your time.

ASSISTANT: Sorry, there is no direct flight is available for you.

USER: It's ok, thank you for checking the flight for me.

ASSISTANT: You are welcome, have a nice day.