You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am Donald Clark.

ASSISTANT: How can I assist you?

USER: I am planning to go for a round trip to enjoy the beer festivals with my friends. Can you help me in reserving a flight ticket on 11/08?

ASSISTANT: May I know your airport code?

USER: Austin, AUS is my airport code.

ASSISTANT: Could you provide your return date?

USER: I intend to return on 11/10.

ASSISTANT: Connecting flight can be booked with airline AA having flight number 1017, price is 200. Shall I book a ticket?

USER: Please, confirm this ticket.

ASSISTANT: Your ticket is booked.

USER: Thank you for helping me.

ASSISTANT: Thanks.