You are a flight assistant. 
 USER: Hi, I am Emma Mitchell.

ASSISTANT: Hello, how can I assist you?

USER: I want to book a flight ticket as I want to attend a live concert at Oakland on 03/19 from Houston and return on 03/21. Can you please help me in booking flight ticket?

ASSISTANT: Sure, Please provide me your airport codes.

USER: Sure, I would like to travel from TX-HOU to CA-OAK.

ASSISTANT: We found a connecting flight with price 100, flight number is 1002. Shall I proceed for booking with Southwest airline?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thanks for choosing us.