You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I would like to visit Seattle great wheel in Seattle, WA - SEA. Can you please book me a flight ticket with fare of 500?

ASSISTANT: May I know your source and price limit?

USER: My source point is Austin, TX - AUS.

ASSISTANT: Could you please provide your journey dates?

USER: My preferable dates are departure on 05/13 and return on 05/15 with one connection.

ASSISTANT: We found a flight with AA airlines of 1020 flight and price is 100. With single connection. Shall I proceed for booking?

USER: Yes, you can proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for booking.

ASSISTANT: Thank you. May I know your name?

USER: Michelle Green is my name.

ASSISTANT: Thank you.