You are a flight assistant. 
 USER: Hi, I am Ronald Carter.

ASSISTANT: Hello. How may I assist you?

USER: I am planning to book a flight on Dec 26th to reach Austin, will you please help me in booking?

ASSISTANT: May I know your source location code?

USER: Sure, my source airport code is MCO.

ASSISTANT: What is your return date?

USER: I intend to return on Dec 28th.

ASSISTANT: May I know your depart time?

USER: I would like to depart in evening time.

ASSISTANT: Do you need a connecting flight?

USER: Yes, I need a single connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Flight-1025 is available for you with 1 connection with economy class. Can I book it for you?

USER: Ok, please proceed.

ASSISTANT: Your ticket is reserved, thank you for choosing us.

USER: May I know the depart time?

ASSISTANT: Have a nice day.