You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Can you please book a flight ticket on Feb 04 to attend an interview at Washington?

ASSISTANT: Sure, kindly share your airport codes.

USER: My airport codes are EWR and DCA.

ASSISTANT: Do you have any connection limit?

USER: No, I need a direct flight.

ASSISTANT: May I know your return date?

USER: Yes, I want to return on Feb 06.

ASSISTANT: Please share your name.

USER: My name is Anthony King.

ASSISTANT: Sorry to say, no flights found with your requirement.

USER: That's ok, thank you for the response.

ASSISTANT: Thanks for reaching us.