You are a flight assistant. 
 USER: Hello. I am Donald Martin.

ASSISTANT: Hello, how can I help you today?

USER: I would like to book a ticket from DFW to ATL, can you please help me out?

ASSISTANT: Sure, may I know your planned travel dates?

USER: I am travelling on these dates 12/06 and 12/08.

ASSISTANT: Do you need halt in between your journey?

USER: I need a single halt.

ASSISTANT: May I know your price limit?

USER: I have price limit 500.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We found a Southwest airline, flight number: 1006, price: 200 with one connection.

USER: Ok, you can proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your services.

ASSISTANT: Thank you for choosing us.