You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Donald Clark. I would like to book a ticket from CLT to CLT, can you please help me out?

ASSISTANT: Sure, I am here to help you. Can you please let me know your travel dates?

USER: I am travelling on these dates 02/18 and 02/20.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: There is a flight available with Southwest airlines and the ticket fare is 100 only. Are you comfortable with this flight?

USER: Ok, you can proceed.

ASSISTANT: Clark, your ticket is confirmed with the flight-1001.

USER: Thank you for your services.

ASSISTANT: You are most welcome and thank you very much for choosing us.