You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Sure, we are here to help you. Can you share me your travelling dates?

USER: I would like to depart on Mar 20th and return on Mar 22nd.

ASSISTANT: Do you have any other specifications?

USER: I am looking for a direct flight.

ASSISTANT: May I know your name?

USER: I am Deborah Nelson.

ASSISTANT: Ok, wait for some time.

USER: Sure, take your time.

ASSISTANT: We found Delta airlines with direct flight and number 1006 fare of 200 with economy class, Shall I proceed for booking?

USER: Yes, please confirm the booking.

ASSISTANT: Your ticket has been confirmed.

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

ASSISTANT: Thanks for approaching us.