You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I got an opportunity to participate in a dance show, can you book a ticket from DCA to LAX?

ASSISTANT: Sure, may I know your connection limit?

USER: I prefer direct flight.

ASSISTANT: Can you please share your planned travel dates?

USER: Sure, my planned departure and return travel dates are 8th and 10th of Feb.

ASSISTANT: Do you have any other requirements?

USER: No, I don't have any other specifications.

ASSISTANT: May I know your name please?

USER: My name is Dorothy Hernandez.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: That's ok, thank you.

ASSISTANT: Thank you for opting us.