You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Paul Phillips here.

ASSISTANT: Please tell me, how may I help you?

USER: I want to visit Charlotte to attend an award function, so could you please book a flight ticket to there?

ASSISTANT: Sure, on which dates you are planned to travel?

USER: My boarding is on 03/10 and after completion of the function I would like to return on 03/12.

ASSISTANT: Can you help me with your source and destination airport codes?

USER: Sure, I want to travel from LAX to CLT.

ASSISTANT: I have found a flight-1004 of Southwest airlines, do you fine with that?

USER: Is it single connected flight?

ASSISTANT: Yes, it is with 1 connection limit.

USER: Ok, you can proceed with booking now.

ASSISTANT: Sure, your ticket has been booked, have a happy journey.

USER: I will appreciate your service, thank you for your help.

ASSISTANT: Welcome.