You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: My name is David Carter. I have a business meeting in Charlotte. Can you help me for booking?

ASSISTANT: Sure, may I know your travel dates please?

USER: My travelling dates are from 11/21 till 11/23.

ASSISTANT: Ok, may I know your airport codes please?

USER: My airport codes are from LAS to CLT.

ASSISTANT: Ok, hold on for a moment.

USER: Make sure that my connection limit should be 1.

ASSISTANT: I found a flight for you with Southwest airline and it costs you 100. Shall I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket has been booked with 1026 flight number.

USER: Thank you for booking.

ASSISTANT: Welcome. Thank you for choosing us. Have a safe flight.

USER: Welcome.