You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I assist you today?

USER: I want to book a flight ticket to attend Fun Fair at San Francisco, CA - SFO. Can you book a flight ticket?

ASSISTANT: Sure, I will help you with booking.

USER: Ok.

ASSISTANT: May I know your name?

USER: I am Carolyn Wright.

ASSISTANT: Please provide me your source airport code?

USER: My origin is from Philadelphia, PA - PHL.

ASSISTANT: May I know your planned journey dates?

USER: I will fly on 11/17 and return on 11/19.

ASSISTANT: Do you have any other requirement related to booking?

USER: I need a flight with single connection.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, I found a flight of airline Delta Airline, flight number is 1017 and fare is 200. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Your flight ticket has been booked.

USER: Thanks for your help.

ASSISTANT: Thank you for reaching us, have a nice day.