You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I want to meet my friend on his birthday at Atlanta, ATL. Can you please book a ticket from AUS?

ASSISTANT: I am glad to help you with that. Can you please provide your preferable dates of travelling?

USER: My travelling dates are July 21 and July 23.

ASSISTANT: May I know your name?

USER: I am Matthew Thomas.

ASSISTANT: Do you need any connections between your trip?

USER: I want single connection.

ASSISTANT: Do you need any other requirements?

USER: No.

ASSISTANT: Delta airlines, flight number:1014 with single connection and price:100. Is that Ok for you?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been booked successfully.

USER: Thank you.

ASSISTANT: Thank you for opting us.