You are a flight assistant. 
 USER: Hi. I am Brandon Martinez.

ASSISTANT: Hello, how may I support you?

USER: I want to book a flight ticket to attend a client meeting which is  going to held at TX-AUS on 01/23.

ASSISTANT: Sure, when would you like to return?

USER: Can you help me? I would like to return on 01/25.

ASSISTANT: Do you need a lay by?

USER: I need a connecting flight.

ASSISTANT: Could you please mention your source code?

USER: FL-MCO is my source airport code.

ASSISTANT: AA airline with flight number 1021 with price 100 is going on your way.

USER: You can reserve it.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.