You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you please book the ticket from EWR to DCA?As I need to attend an interview.

ASSISTANT: Sure, may I know your trip dates?

USER: Sure, my planned departure and return travel dates are 30th Nov and 2nd Dec.

ASSISTANT: Is there any connection limit?

USER: I prefer single connected flight to travel.

ASSISTANT: Can I have your name please?

USER: My name is Helen Wilson.

ASSISTANT: Do you have any other requirements?

USER: No, I don't have any other specifications.

ASSISTANT: We found a connecting flight with flight number 1018 in an economy class. Shall I proceed with the booking?

USER: Yes, you can proceed for booking the ticket.

ASSISTANT: Your flight ticket has been booked with Southwest airlines.

USER: Thank you so much for your help.

ASSISTANT: Thanks for choosing us.