You are a flight assistant. 
 USER: Hello, my name is Raymond Hall.

ASSISTANT: Hello, how can I aid you?

USER: For office purpose I want to go for Boston, so I need help to make a plane reservation.

ASSISTANT: Sure, we are here to help you. May I know the airport codes of origin and destination?

USER: Sure, my destination airport is Austin, TX-AUS and origin airport is MA-BOS.

ASSISTANT: Could you please provide your depart day and return day?

USER: My schedule dates are from 11/24 to 11/26.

ASSISTANT: OK, please wait for a moment. Thank you for waiting, unfortunately we did not find any flights available matching your request.

USER: That's not a problem, thanks for your information.

ASSISTANT: Thank you for reaching us.