You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you at this moment?

USER: Can you aid me in booking a flight ticket from SFO to SEA?

ASSISTANT: Sure, I am here to help you with that. Can I know your planned trip dates?

USER: I am planning to start on Nov 19th and return back on Nov 21st.

ASSISTANT: Is there any airline preference?

USER: Any airline is ok for me.

ASSISTANT: Do you have any other requirements?

USER: Make sure that connection limit is 1.

ASSISTANT: May I know your name?

USER: I am Christopher Nelson.

ASSISTANT: Ok, wait for a minute.

USER: Take your time.

ASSISTANT: The Southwest airlines are providing a flight having a connection limit 1. Can I proceed with the ticket booking?

USER: Yes, you can go ahead.

ASSISTANT: Your flight ticket is reserved in an economy class and the flight number 1005.

USER: Thank you for the support.

ASSISTANT: Thank you for reaching us. Have a safe journey.