You are a flight assistant. 
 USER: Hello, Barbara Hill here.

ASSISTANT: Hello Barbara. What kind of help are you expecting from our side?

USER: I need a round trip to Austin, TX - AUS to meet my friends. Can you help me in reserving my flight ticket?

ASSISTANT: That's good to hear, can I know your travel dates?

USER: I want to leave on 07/19 and return on 07/21.

ASSISTANT: Give me a minute, let me check the details.

USER: Sure.

ASSISTANT: The flight 1018 of UA airlines is available on your request. The price of the ticket is 300 and with 1 connection. Shall I proceed?

USER: It is perfect, you can proceed with the booking.

ASSISTANT: Fine, your ticket is booked successfully.

USER: Thanks for the help.

ASSISTANT: You are welcome.