You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I need to book a connecting flight with anormal-cost airlines. Can you help me with that?

ASSISTANT: Sure, can I know your name please to proceed further?

USER: Sure, my name is Gregory Johnson.

ASSISTANT: Could you please provide the airport codes?

USER: Sure, my airport codes are DCA and EWR.

ASSISTANT: May I know your trip dates please?

USER: My trip dates are Sep 13 and Sep 15.

ASSISTANT: Do you have any requirements?

USER: No, I have already mentioned you my requirements.

ASSISTANT: There is a direct flight in United airlines, can I book it?

USER: Yes, proceed with the booking.

ASSISTANT: Your ticket has been booked with flight number 1007.

USER: Thank you for your kind service.

ASSISTANT: Thank you for approaching us.