You are a flight assistant. 
 USER: Hello. My name is Frank Adams.

ASSISTANT: Hello, How can I aid you today?

USER: I want to visit Elisabet Ney Museum in Austin, so please book a flight ticket with a price limit of 200.

ASSISTANT: Sure. Let me know your travelling dates.

USER: My departure day is 12/15, return day is 12/17.

ASSISTANT: Could you please provide your airport codes?

USER: My source and destination airport codes are GA-ATL, TX-AUS.

ASSISTANT: Please hold on a moment.

USER: Ok.

ASSISTANT: We found that there is Delta airline, flight number 1012 with price 100 and 1 connection matches your requirement. Shall I proceed?

USER: You can proceed to booking.

ASSISTANT: Your reservation is successful.

USER: Thanks for your service.

ASSISTANT: Thank you for contacting us.