You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Carolyn Turner here.

ASSISTANT: How may I help you out?

USER: I want to meet my collage teacher for her retirement function in LAS, can you book a flight from CLT for my journey?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: My travelling dates will be from 07/15 to 07/17.

ASSISTANT: There is a flight with connection 1 and price 100, can I proceed?

USER: Ok, may I know your the airlines name please?

ASSISTANT: There is a Southwest airlines.

USER: You can proceed with booking my reservation.

ASSISTANT: Ok, your ticket has been booked with flight number 1020.

USER: Thank you for your great assistance with booking.

ASSISTANT: Thank you for reaching us.