You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you?

USER: I am Matthew Hernandez, I am visiting Folger Shakespeare Library. Help me to find a direct flight to Washington DC.

ASSISTANT: Sure, may I know your travelling dates?

USER: I will fly on 04/16 and return on 04/18.

ASSISTANT: May I know your price limit?

USER: I need a flight under fare of 1000.

ASSISTANT: Can you please share your source and destination codes?

USER: I will fly to DC-DCA from NY-LGA.

ASSISTANT: Thank you, for providing details. Sorry to say that, no direct flight is found with your given details.

USER: Thank you for the information.

ASSISTANT: Thank you, for reaching us.