You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any help from us?

USER: Can you help me in booking a flight ticket from JFK to DFW?

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: I want to travel on 09/12, and return on 09/14.

ASSISTANT: Ok, could I have your name please?

USER: I am Kimberly Allen.

ASSISTANT: Ok, do you need direct or connecting flight?

USER: I need a single connection.

ASSISTANT: Ok, may I know your class preference?

USER: I prefer for economy class.

ASSISTANT: The economy class with flight number 1019 of Delta airline is available having fare as 200 and connection as 1, is it ok for you?

USER: Proceed with the booking.

ASSISTANT: Ok, your reservation is confirmed. The departure time is 6:00 AM and the arrival time is 3:00 AM.

USER: Thanks for the help.

ASSISTANT: You are welcome, have a great day.