You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Please book a flight ticket from DCA to CLT?

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

USER: My journey dates are Dec 16 and Dec 18.

ASSISTANT: May I know your name please?

USER: I am Justin Gonzalez.

ASSISTANT: Can I know the connection limit please?

USER: I need a connecting flight.

ASSISTANT: Do you have any requirements?

USER: No.

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

USER: Please proceed with my booking.

ASSISTANT: Your ticket has been booked with flight number 1009.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.