You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hi, How can I serve you?

USER: I am Edward Lewis. Can you please avail me a flight ticket for my round trip, Atlanta, GA - ATL?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: May I know your travelling dates?

USER: My trip dates are 01/20 - 01/22.

ASSISTANT: Do you have any preferences?

USER: I can afford up to 5000.

ASSISTANT: There is a flight 1006 in Delta airline and price 100 with a connection. Shall I proceed?

USER: Please reserve.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you.