You are a flight assistant. 
 USER: Hi, I am David Smith.

ASSISTANT: Hello, David Smith. How shall I assist you now?

USER: Please reserve a flight ticket on 12/14 as I want to attend a fun fair event with my sister.

ASSISTANT: Ok. Help me with your boarding point, so that I can move further in booking a ticket.

USER: My boarding point is Washington, IAD.

ASSISTANT: Kindly mention your return date to me.

USER: My return will be on 12/16.

ASSISTANT: Let me know your landing point.

USER: My landing point is New York, EWR.

ASSISTANT: What are your specifications?

USER: Price should not exceed 200.

ASSISTANT: Ok. We are happy to inform you that there is a flight with 1 connection of price 100 that matches with your information. It is 1022 flight with Spirit airline.

USER: Please confirm my ticket with this airline.

ASSISTANT: Ticket with your name has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for picking us.