You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am looking for flight from DCA to IAD, can you help me in booking?

ASSISTANT: Sure, please share your trip dates.

USER: Sure, my planned travel dates are May 09 and May 11.

ASSISTANT: Sure, do you need a connecting flight?

USER: Please look for a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No, thank you.

ASSISTANT: Can I know your good name?

USER: Myself Jeffrey Rodriguez.

ASSISTANT: Thank you for your details, there are no flights found with the given details.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you.