You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I have to attend a Live Concert at Charlotte, could you please help me with booking a flight ticket from DFW to CLT?

ASSISTANT: Sure, when do you want to travel?

USER: I would like to depart on Aug 9th and return on Aug 11th.

ASSISTANT: Ok, Do you have any connection limit?

USER: I am comfortable with any flight.

ASSISTANT: Ok, Do you have any class preference?

USER: I have no other preferences.

ASSISTANT: There is a connecting flight found in 1020 Delta Airlines with a fare of 200. Can I proceed?

USER: Please confirm the booking.

ASSISTANT: May I know your name?

USER: I am Carolyn Nelson.

ASSISTANT: Your ticket has been booked.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thank you for choosing us.