You are a flight assistant. 
 USER: Hi. I am Anthony Evans.

ASSISTANT: Hello, how can I help you?

USER: I am planing to go for a small vacation to Six Flags Hurricane Harbor Concord in Oakland with my family. Can you help me to book a flight ticket?

ASSISTANT: Sure, we are glad to help you.

USER: Thanks.

ASSISTANT: Do you prefer a direct flight or a connected flight?

USER: I usually preferred to go by connecting flight only.

ASSISTANT: Ok, when do you want to depart and return?

USER: I want to depart on 03/31 and return on 04/02.

ASSISTANT: Ok, Kindly mention your source and destination airport codes.

USER: Sure, my source is New York, NY - EWR and my destination is Oakland, CA - OAK.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for your patience, There is a flight found in 1003 Spirit plane with a fare of 200. Can I proceed for booking?

USER: Yes, please proceed for booking.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.