You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I want to attend a Seminar in New York. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My travelling dates are July 31 and Aug 02.

ASSISTANT: Thank you, may I know your nearest airport codes please?

USER: My airport codes are CLT and JFK.

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

USER: No.

ASSISTANT: May I know your name for the documentation purpose?

USER: I am Donald Green.

ASSISTANT: Do you have any airline preference on this journey?

USER: No.

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

USER: No.

ASSISTANT: Any another requirements on your trip?

USER: No, I don't have.

ASSISTANT: American Airlines providing a flight with the price 100 with 0 connection. Can I proceed for the booking.

USER: Please proceed.

ASSISTANT: Your flight ticket reservation done with the flight number 1007.

USER: Thanks for helping me.

ASSISTANT: Welcome, thank you for reaching us.