You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I aid you?

USER: Gregory Evans here. I want to attend a Marriage in Atlanta. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, May I know your travelling dates?

USER: My travelling dates are 03/27 and 03/29.

ASSISTANT: From where you want to start your journey?

USER: My origin airport code is LAS.

ASSISTANT: Do you have any preferences?

USER: I would prefer normal cost airline.

ASSISTANT: You have a flight 1006 in Delta airline and price 100 in economy class, Shall I proceed with a connecting flight?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your ticket has been reserved.

USER: Thanks for helping me.

ASSISTANT: Thank you.