You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Please help me to book a direct flight ticket from Charlotte to attend a meeting in Dallas.

ASSISTANT: Sure. May I know your name?

USER: I am Samuel Parker.

ASSISTANT: Kindly share me your airport codes.

USER: My take off point is CLT and landing point is DFW.

ASSISTANT: Can I know your travelling dates.

USER: I want to depart on June 5th and my return date will be on June 7th.

ASSISTANT: Do you have any other specifications?

USER: No, I don't have any other specifications.

ASSISTANT: Ok. We found a direct flight with jetblue airline, flight number:1017.

USER: That's fine, you can book the ticket.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your help in booking.

ASSISTANT: Thank you for choosing us.