You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am planning to visit Phoenix Zoo in Phoenix, AZ-PHX. Can you please help me for booking the flight ticket from San Francisco?

ASSISTANT: Sure, can you please share your travel dates?

USER: The travel dates are 06/14 to 06/16.

ASSISTANT: Could you please help me with the source airport code?

USER: The source code is from CA-SFO.

ASSISTANT: Let me check for the availability of flight.

USER: Sure.

ASSISTANT: May I know your name to proceed further?

USER: Sure, my name is carol Anderson.

ASSISTANT: I found a flight available with price 200 and the connection is 1 with Delta airline. Would you like me to proceed with the booking?

USER: Yes, proceed with my booking.

ASSISTANT: Your booking is confirmed with 1000 flight number.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.