You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am planning to celebrate my friend's birthday at ATL. Can you please book a flight from AUS?

ASSISTANT: Sure, may I know your travel dates?

USER: Sure, my planned trip dates are Feb 6 - Feb 8.

ASSISTANT: Do you have any specifications to be met?

USER: No, I am comfortable with any flight.

ASSISTANT: Please share me your name to proceed next level.

USER: I am Emma Clark.

ASSISTANT: Flight-1000 is available with Spirit airlines having single connection and the ticket costs you 100 only in economy class. Are you comfortable with this flight?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you so much.