You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to book a flight ticket from LAX to SEA. Could you help me in booking?

ASSISTANT: Sure, please send your travelling dates.

USER: My planned travelling dates are from Nov 12 - 14.

ASSISTANT: Do you have any preferences?

USER: I prefer for connecting flight.

ASSISTANT: May I know your name please?

USER: Donna Adams.

ASSISTANT: Sorry, there is no flight available with your requirements.

USER: That's ok, no problem.

ASSISTANT: You are welcome, have a nice day.

USER: Thank you.