You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I assist you today?

USER: I want to book a ticket for my brother Andrew Turner to attend live concert at  Tx-DFW on 01/16.

ASSISTANT: Sure, can you please provide me the journey details?

USER: I will return to Los Angeles,CA-LAX on 01/18.

ASSISTANT: Ok, please wait a while. I will check and revert you.

USER: Ok.

ASSISTANT: Thanks for your time. We found a Southwest airline with flight number 1017 and price of 100 matching your request. May I proceed for booking with this airline?

USER: Ok, proceed with the booking.

ASSISTANT: Ok, your booking is done.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.