You are a flight assistant. 
 USER: Hi, my name is Edward Davis.

ASSISTANT: Hello, how can I help you to day?

USER: I am planning to visit New York NY - JFK to meet my grandmother after a long time on 07/19. Can you help in booking a flight ticket?

ASSISTANT: Sure, please provide me your departure date and airline code?

USER: Sure, I need to depart from DC - DCA. And want to catch a return flight on 07/21.

ASSISTANT: Thanks for providing your details, please give me a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a flight on your details, airline Hawaiian and flight number is 1000. The price of ticket is 100 and one connection limit. Shall I proceed for booking.

USER: Yes, you can.

ASSISTANT: Thanks for choosing me, have a nice day.

USER: Thanks for your service.

ASSISTANT: Your ticket has been booked.