You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Cynthia Anderson here.

ASSISTANT: How can I aid you at this moment?

USER: I would like to attend a business seminar in Oakland, can you please help me out with booking of a flight ticket to go there?

ASSISTANT: Sure, I am happy to help you in booking flight ticket. Could you please mention your preferable travel dates for booking flight ticket?

USER: Sure, I am willing to travel on 01/23 and please book my return ticket on 01/25.

ASSISTANT: May I know your airport code names for further process?

USER: I will prefer EWR and OAK as my origin and destination airport codes for my booking.

ASSISTANT: Thank you for providing your travel details. I will put the conversation on hold to check the best flights available in your route.

USER: Ok, take your time but please make sure that flight should be with connection 0.

ASSISTANT: Sure. There is a flight available in this route as per your requested details, airline is Delta and price is 100. Are you ok with this flight?

USER: That's fine for me, you can proceed with booking.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1022.

USER: Thank you for you kind assistance in booking of my ticket.

ASSISTANT: Thank you for choosing us, have a good day.

USER: Welcome.