You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Myself David Perez. 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 am here to help you out. Please provide me your trip dates.

USER: Sure, my travel dates are 12/16 and 12/18.

ASSISTANT: Here is a flight with 1 stop and price is 100 in Southwest airlines, can I proceed with it?

USER: Yes, please proceed booking with that flight.

ASSISTANT: Your ticket has been booked with 1016 flight, have great day.

USER: Thank you for your expeditious service.

ASSISTANT: Thank you for reaching us.