You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: Please book me a flight ticket from CLT to OAK to meet my old school friends.

ASSISTANT: Sure, I will aid you with that. Can you please mention your preferable travel dates?

USER: I have planned to travel on Aug 19th and return on Aug 21st.

ASSISTANT: May I know your name for further process?

USER: Myself Virginia Hill.

ASSISTANT: Do you need any specific depart and arrival time for this trip?

USER: I am ok with any time.

ASSISTANT: Do you have any limits on number of connections?

USER: I prefer connecting flight.

ASSISTANT: Ok, please hold on a moment.

USER: Ok.

ASSISTANT: There is a direct flight available in this route as per your requested dates. Are you ok with this flight?

USER: Ok, please book this ticket.

ASSISTANT: Delta airline flight available and fare is 200. Your flight ticket is booked successfully in economy class and flight number is 1013.

USER: Thank you.

ASSISTANT: You are welcome Virginia Hill.