You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Michelle Baker and I am planning to book a flight from DCA, so please help me in booking.

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

USER: My planned dates are on Dec 22nd to 24th.

ASSISTANT: Could you please provide the destination airport code?

USER: My landing airport code is DFW.

ASSISTANT: May I know the departure and return time?

USER: My return time is evening.

ASSISTANT: Do you have any requirements?

USER: I need a connecting flight.

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

USER: Ok, please book.

ASSISTANT: Your ticket has been booked with flight number 1026.

USER: Thank you.

ASSISTANT: Thank you for approaching us.