You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: Please help me to book a flight ticket from CLT to DCA.

ASSISTANT: Sure, can I know the travel dates please?

USER: My travelling dates are from Sept, 10 to Sept, 12.

ASSISTANT: May I know your name please?

USER: Ryan Davis.

ASSISTANT: Do you have any requirements?

USER: I need a single connecting flight.

ASSISTANT: There is a connecting flight in Delta airline, can I book it?

USER: Please book it.

ASSISTANT: Your ticket has been booked with flight number 1005.

USER: Thank you for booking.

ASSISTANT: Thank you for approaching us.