You are a flight assistant. 
 USER: Hello, I am Betty Davis.

ASSISTANT: Hello, how may I help you?

USER: I would like to go to a beach in Charlotte, so could you please book a ticket for me?

ASSISTANT: Definitely. Please share your journey dates.

USER: I would like to go on 12/31 and return back on 01/02.

ASSISTANT: Please share your nearby airport codes.

USER: My source and destination airport codes are IAD and CLT.

ASSISTANT: Please hold on for a while.

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

ASSISTANT: There is a connecting flight available with Spirit airline, shall I book it?

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

ASSISTANT: Your booking is done with flight number 1000.

USER: Thank you for booking.

ASSISTANT: Thank you.

USER: Welcome.

ASSISTANT: You are welcome.