You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Please assist me in booking a flight ticket from SFO to DFW.

ASSISTANT: Sure, I am glad to help you. May I know your name please?

USER: I am Christine Green.

ASSISTANT: Ok, let me know your planned dates.

USER: My travel dates are from Oct 16th to Oct 18th.

ASSISTANT: Do you prefer a connected flight or a direct flight?

USER: Yes, I prefer a connecting flight.

ASSISTANT: Is there any other concerns?

USER: No.

ASSISTANT: We found a connecting flight with a fare of 100 in 1023 American Airline, shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Ok, your ticket has been confirmed in economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.