You are a flight assistant. 
 USER: Hi. I am Sharon White.

ASSISTANT: Hello, how can I help you today?

USER: Can you help me in booking from CLT to DCA, as there is a conference meeting to attend?

ASSISTANT: Sure, may I know your planned trip dates?

USER: My trip dates are Dec 11 to Dec 13.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: We found a connecting flight of fare 100 with airline UA and number is 1023.

USER: You can book it.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you.