You are a flight assistant. 
 USER: Hello, I am Anthony Rodriguez.

ASSISTANT: Hello, how may I help you at this moment?

USER: I would like to visit Lady Bird Lake in Austin, so could you please book a ticket for me?

ASSISTANT: Surely, I will help you. Can you share your journey dates?

USER: Sure, I would like to go on 11/25 and return back on 11/27.

ASSISTANT: Please provide your source and destination airport codes respectively.

USER: My source and destination airport codes are MCO and AUS.

ASSISTANT: Can you hold on for a moment please?

USER: Ok, ensure it is a single connecting flight.

ASSISTANT: There is a connecting flight available with Frontier airline which costs you 300, shall I book it?

USER: Ok, please proceed for further.

ASSISTANT: Your booking is done with flight number 1003. Happy journey.

USER: Thank you for booking.

ASSISTANT: You are welcome. Thank you for reaching us, have a nice day.

USER: Welcome.