You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello,.

USER: I am Edward Walker.

ASSISTANT: How can I be your helping hand today?

USER: I would like to visit a korean war veterans memorial at Washington, so can you help me in booking with a direct flight?

ASSISTANT: Sure, I am here to assist you.

USER: Thank you.

ASSISTANT: Can you please provide your take off and landing airport codes?

USER: I am heading to Washington, DCA from New York, LGA.

ASSISTANT: May I know when you have planned to travel?

USER: My planned travel dates are 01/16 and 01/18.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT: Sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.

USER: Not an issue, thank you for the information.

ASSISTANT: Ok, no issues. Thank you for choosing us.