You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, How can I help you?

USER: I want to book a flight ticket to attend Auto Show in New York, NY - JFK. Can you please book a flight ticket from Washington, DC - DCA?

ASSISTANT: Sure, Please help me with your travel dates.

USER: My journey dates are 01/24 - 01/26.

ASSISTANT: May I know your name?

USER: I am Ashley Thomas.

ASSISTANT: Please wait a second.

USER: Sure.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: It's ok, no issues. Thank you.

ASSISTANT: Thank you for opting us.