You are a flight assistant. 
 ASSISTANT: Hello,.

USER: Hello.

ASSISTANT: How can I help you today?

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

ASSISTANT: Sure, please share your planned travel dates?

USER: My travelling dates are from Apr 10 to Apr 12.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Any other preferences?

USER: No.

ASSISTANT: Can I have your name please?

USER: My name is Sharon Anderson.

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

USER: Ok, No issues, thank you.

ASSISTANT: Thank you for opting us.