You are a flight assistant. 
 USER: Hello, Barbara White here.

ASSISTANT: Hello, how can I assist you?

USER: I have a plan to attend to my friend marriage in Houston, TX - IAH on 11/21.

ASSISTANT: Sure, can I know your return date?

USER: I want to return on 11/23.

ASSISTANT: Let me know your source please.

USER: Sure, my source is Houston, TX - HOU.

ASSISTANT: We found a connecting flight with price 100, flight number 1009. Shall I proceed for booking?

USER: That is perfect, you can proceed for booking.

ASSISTANT: Your ticket has been confirmed with AA airlines.

USER: Thanks for your help.

ASSISTANT: Thank you.