You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: My name is Justin Gonzalez and I want to book the flight from IAD to JFK.

ASSISTANT: Sure, may I know on what dates you are willing to travel?

USER: My prefered travel dates are 04/08 and 04/10.

ASSISTANT: Do you have any specifications?

USER: My return time should be in the afternoon.

ASSISTANT: Here, there is a direct flight in Frontier airlines and price is 200. Shall I proceed?

USER: Yes please.

ASSISTANT: Ok, your ticket is booked with the flight 1014.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.