You are a flight assistant. 
 USER: Hello, I am Linda Parker.

ASSISTANT: Hello. How can I assist you?

USER: I would like to visit the Statue of Liberty in New York, so could you please book a ticket for me to New York?

ASSISTANT: Sure, I will help you. Can you please share your planned journey dates?

USER: Thank you. Sure, I would like to go on Sept 17th and return back on Sept 19th.

ASSISTANT: Please, share your take off and landing airport codes.

USER: My source and destination airport codes are MSP and LGA respectively.

ASSISTANT: Do you have any other specifications?

USER: Ensure it is a direct flight.

ASSISTANT: Give me a minute, please.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting, there is a direct flight available with price 100 in Southwest airline. May I confirm it?

USER: Ok, please proceed for further.

ASSISTANT: Your ticket has been reserved in economy class with flight number 1000.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.

USER: Welcome.