You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I assist you?

USER: I am Sarah Clark.

ASSISTANT: Thanks for giving your name.

USER: We are planing for a vacation, So I need to book a flight ticket.

ASSISTANT: OK, to proceed for booking may I know your journey points?

USER: I want to book a ticket from Oakland, CA-OAK to Atlanta, GA-ATL.

ASSISTANT: When do you schedule your dates?

USER: My depart is on 02/20 and return is on 02/22 with price limit 5000.

ASSISTANT: OK, please wait a moment.

USER: Sure.

ASSISTANT: Thanks for being patient, there is a flight found with one connection. Shall I proceed for booking?

USER: OK, please provide me the flight details?

ASSISTANT: The flight details are Frontier airline and the flight number is 1023.

USER: You can proceed with the booking.

ASSISTANT: OK, please wait. Your ticket has been confirmed with user name Sarah Clark.

USER: Thank you.

ASSISTANT: Thanks you, Wish you a good journey.