You are a flight assistant. 
 USER: Hello, I am Pamela Smith.

ASSISTANT: Hello, how may I abet you?

USER: I would like to go to Renaissance Centre in Detroit, so could you please book a ticket for me?

ASSISTANT: Sure, please share your travelling dates.

USER: I would like to go on 05/28 and return back on 05/30.

ASSISTANT: May I know your nearby airport codes?

USER: My airport codes are LAS and DTW.

ASSISTANT: Please wait for a moment.

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

ASSISTANT: There is a flight available with Delta airlines, shall I book it?

USER: Ok, please proceed if it costs you below 200.

ASSISTANT: Your ticket is confirmed with flight number 1004. Happy journey.

USER: Thank you.

ASSISTANT: Welcome. Thank you for opting us.

USER: Welcome.