You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Will you help me in booking the flight ticket from Charlotte on July 31?

ASSISTANT: Sure, help me with the return date?

USER: I would like to return on Aug 02.

ASSISTANT: May I know your airport codes?

USER: My airport codes are CLT and DFW?

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight in economy class.

ASSISTANT: May I know your name please?

USER: Myself George Hernandez.

ASSISTANT: There is a flight in an airline JetBlue with 1004 number having a single connection price of 200. Shall I proceed to book?

USER: Sure, you can proceed with the booking.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.