You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

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

ASSISTANT: Sure, may I know your name please?

USER: I am Emma Wright.

ASSISTANT: May I know on which dates you are willing to travel?

USER: I would like to depart on Apr 16th and return on Apr 18th.

ASSISTANT: May I know your airline preference please?

USER: I have no other preferences.

ASSISTANT: May I know your connection limit please?

USER: I am looking for a connecting flight.

ASSISTANT: There is a connecting flight of fare 100 with economy class in United airline, shall I proceed for booking?

USER: Yes, please confirm the booking.

ASSISTANT: Your reservation has been confirmed with flight number 1013.

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

ASSISTANT: You are welcome.