You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Donna Nelson.

ASSISTANT: Donna Nelson, how may I assist you today?

USER: I am looking for a flight from PHL to OAK, can you help me in booking the flight ticket from Philadelphia?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: May I know with your planned travel dates please?

USER: Sure, my planned travel dates are June 16 and June 18.

ASSISTANT: Donna Nelson, do you need a direct or connecting flight?

USER: I need a connecting flight.

ASSISTANT: Please let me know if you have any other preferences in your journey.

USER: No.

ASSISTANT: We have a connecting flight operated by Spirit Airlines with a fare of 100. Is it ok for you?

USER: That's fine, please proceed in booking with this flight.

ASSISTANT: I have booked your ticket in flight-1004.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us. Have a great day.