You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assess you?

USER: I am Patrick Perez. I am planning to visit Washington, can you please book me the ticket from JFK to DCA?

ASSISTANT: Sure, I am happy to help you and may I know your take off and back ward travel dates?

USER: My preferable journey dates are from 04/07 to 04/09.

ASSISTANT: Based on your request, one of the flight 1000 which is providing by UA airlines with a fare of 100 and there is a 1 halt, can I confirm your flight ticket booking with this airlines?

USER: That's ok for me. Please book my ticket with this airlines.

ASSISTANT: Perez, as per your request your flight ticket booking is done in the above flight to reach your location.

USER: Thank you for booking my ticket.

ASSISTANT: You are most welcome and have a happy journey.