You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you at this moment?

USER: Myself Donna Garcia. I am looking for a flight from EWR to DCA, can you help me in booking the flight ticket from New York?

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: Thank you, my planned travel dates are Sept 21 and Sept 23.

ASSISTANT: Do you have any preferences?

USER: Yes, I am looking for a connecting flight.

ASSISTANT: There is a connecting flight available economy class with JetBlue airline, shall I proceed?

USER: That's fine, please proceed in booking with this flight.

ASSISTANT: Your booking is done with flight number 1005. Happy journey.

USER: Thank you for your expeditious service.

ASSISTANT: You are welcome, have a nice day.