You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Katherine Perez here.

ASSISTANT: How can I assist you today?

USER: I am looking for a flight ticket with price below 200. Can you book it?

ASSISTANT: Sure, may I know your preferable dates?

USER: My preferable dates for travel are 09/07 to 09/09.

ASSISTANT: Please share me your nearest airport codes.

USER: My airport codes for boarding the flight are SFO to ATL.

ASSISTANT: There is a flight with UA airline with having 1 connection and airfare is 100.

USER: I am ok with the flight. You can book it.

ASSISTANT: Your ticket is confirmed with the flight number 1012.

USER: Thank you.

ASSISTANT: Thank you for opting us.