You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Anthony Harris.

ASSISTANT: How can I help you?

USER: I want to attend a meeting in Charlotte. Can you book a ticket from DCA to CLT?

ASSISTANT: On which dates you like to travel?

USER: I would like to fly on 03/29 and 03/31. I am looking for a direct flight.

ASSISTANT: There is a flight with single connection flight, can I proceed for booking in 1012 flight?

USER: No, don't book the ticket.

ASSISTANT: Ok, thank you for choosing our service.