You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Dennis Thomas. Can you please help me in booking a flight ticket from Atlanta?

ASSISTANT: Sure, I will help you out.

USER: Thank you.

ASSISTANT: May I know your travelling dates please?

USER: I would like to travel on the dates of 06/22 and 06/24.

ASSISTANT: Can I know your airport codes too?

USER: The airport codes are ATL to DFW.

ASSISTANT: Ok, please hold on for a while.

USER: Sure, I will wait for your reply.

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

USER: That's perfect, please confirm my flight ticket.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.

USER: You are welcome.