You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Samuel Nelson.

ASSISTANT: How may I assist you?

USER: I am planning for a round trip, so my source and destination airport codes are same i.e CLT.

ASSISTANT: Ok, I will help you with that. Please mention your trip dates to find a flight for you.

USER: I would like to take off on 03/27 and return on 03/29.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Ok, I got a flight-1011 with connection 1 and price 200 on Frontier airline, shall I proceed?

USER: Please proceed with the booking.

ASSISTANT: Ok, your ticket has been done with your name.

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

ASSISTANT: Welcome, have a safe flight.