You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Robert Turner here.

ASSISTANT: I am your agent for today, may I know your concern?

USER: Sure, I would like to visit Charlotte for a business meeting, can you please help me out with booking of a flight ticket from IAD to CLT?

ASSISTANT: Ok, please provide me the dates you have planned to travel and return as I can check as per your need.

USER: Thank you for considering my request, my departure is on Jan 05 and please book my return ticket also on two days later of my departure.

ASSISTANT: Sure, I will book the ticket as per your intents mentioned. May I know your specifications?

USER: Sure, I will prefer single connection for my journey.

ASSISTANT: There is a flight available with 1 connection and the airlines is Southwest. Can I book the flight 1011?

USER: I am ok with this flight, you can proceed with booking.

ASSISTANT: Ok, the flight ticket is been confirmed on the date Jan 5th and the return date is Jan 07. The airfare of the ticket is 100. Thank you for choosing our agency.

USER: Thank you for your expeditious service.