You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Gary Campbell. I need to book a direct flight to New York, can you please aid me in booking?

ASSISTANT: Sure, can I have your trip dates?

USER: My trip dates are from 02/14 to 02/16.

ASSISTANT: Help me with the airport codes?

USER: My airport codes are from DCA to LGA.

ASSISTANT: Sorry, we did not find any flights were running to that locations.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for reaching us.