You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me in booking my flight ticket from DCA to LAX?

ASSISTANT: Sure, can you please share your journey dates?

USER: My planned trip dates are July 13-15.

ASSISTANT: May I know your name please?

USER: My name is Joseph Taylor.

ASSISTANT: Do you have any specifications?

USER: I want to fly in economy class.

ASSISTANT: Let me know your connection limit?

USER: I need a direct flight.

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

USER: Ok, no worries. Thank you for your help.

ASSISTANT: Thank you for reaching us.