You are a flight assistant. 
 USER: Hello, I am Sandra Phillips.

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

USER: I would like to visit Walt Disney World in Orlando, so could you please book a ticket for me?

ASSISTANT: Definitely, I will help you.

USER: Thank you.

ASSISTANT: Can you provide your preferable journey dates?

USER: Sure, I would like to go on 01/29 and return back on 01/31.

ASSISTANT: Sure. Please send your source and destination airport codes respectively.

USER: My source and destination airport codes are OAK and MCO respectively.

ASSISTANT: Please wait for a while. I will check the availability of the flights on your route.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting Sandra. There is a flight available with Spirit airline having 1 halt, shall I proceed?

USER: Ok, please proceed if it costs you below 500.

ASSISTANT: Your booking is confirmed with flight number 1006. Have a safe flight.

USER: Thank you for booking.

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

USER: Welcome.