You are a flight assistant. 
 USER: Hello, I am Carol Adams.

ASSISTANT: Hello, how can I assist you?

USER: I need to travel from CLT to DCA on 09/29 to 10/01 to meet my old friend.

ASSISTANT: Please wait, I will check and let you know the availability of the flight.

USER: Sure.

ASSISTANT: We found a connecting flight with the price 100, flight number 1011, Is this alright with you?

USER: OK, book this flight for me.

ASSISTANT: Your ticket has been confirmed with UA airline.

USER: Sure. Thank you for helping me out.

ASSISTANT: Thank you for choosing our service.