You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I help you?

USER: Please book a ticket to Washington, IAD from Atlanta, ATL within the fare of 500.

ASSISTANT: Sure. May I know your travelling dates?

USER: My travelling dates are 06/21 and 06/23.

ASSISTANT: Do you need a connecting flight or direct flight?

USER: I need a connecting flight.

ASSISTANT: May I know your name?

USER: My name is Jacob Baker.

ASSISTANT: You have a flight 1002 in UA airline and price 100 with a connection. Shall I proceed?

USER: Yes, proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you.