You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER:  I am Mary Hernandez.

ASSISTANT: Ok.

USER:  I want to travel to TX-DFW to meet my friends. Can you please book a ticket on 10/05?

ASSISTANT: Sure, please provide me your source code?

USER: I will depart from AZ-PHX.

ASSISTANT: May I know your return date please?

USER:  I will return on 10/07.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: We found a flight with Southwest airline of flight number 1021. Shall I proceed?

USER: Ok, you can confirm my ticket.

ASSISTANT: Your ticket has been confirmed.

USER:  Thank you for booking.

ASSISTANT: Thank you for choosing us.