You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Can you please help me in booking the flight ticket from DCA to LGA?

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

USER: Dates are Nov 12 and Nov 14.

ASSISTANT: May I know your name please?

USER: Sandra Thompson here.

ASSISTANT: Do you have any requirements?

USER: Normal cost connected flight is required and make sure that my return time should be in afternoon.

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

USER: Sure, book it.

ASSISTANT: Your ticket has been booked with flight number 1019.

USER: Thanks for booking.

ASSISTANT: Thank you for approaching us.