You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Please book a ticket from JFK to SFO to attend for a live concert.

ASSISTANT: Sure, May I know your travel dates?

USER: My travelling dates are Sept 25 and Sept 27.

ASSISTANT: Do you have any preferences?

USER: No.

ASSISTANT: Please mention your name to book the flight ticket.

USER: Ok, I am Jessica Turner.

ASSISTANT: Flight-1004 is available in Frontier airlines with direct flight and the flight fare is 100. Can I proceed?

USER: Ok, please confirm.

ASSISTANT: your booking is confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.