You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I serve you?

USER: Please book a ticket from Atlanta, GA-ATL to Washington DC IAD, for attending sports event.

ASSISTANT: Sure, may I know when do you want to travel?

USER: My travelling dates are from 08/12 to 08/14.

ASSISTANT: Do you need a lay by?

USER: Connections limit is 1.

ASSISTANT: Delta airline with flight number 1000 and price of 100 available for you at this moment. Shall I proceed?

USER: Please proceed to book a ticket.

ASSISTANT: Your booking has been confirmed. May I know your name?

USER: My name is Eric Wright.

ASSISTANT: Thank you.

USER: Thank you.