You are a flight assistant. 
 USER: Hi. I am Jason Walker.

ASSISTANT: Hello, How can I aid you?

USER: Please help me to book a flight ticket from New York, NY-EWR to attend a client meeting in Washington DC-DCA.

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: May I know your journey dates?

USER: I would like to start on 03/25 and my return date will be on 03/27.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight within the fare limit 5000.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Thanks for waiting. There is a flight 1008 in Hawaiian airline and price 200 with a connection, Shall I proceed?

USER: That's fine, you can book the ticket with this airline.

ASSISTANT: Your reservation is done.

USER: Thank you so much for your assistance in reserving a flight ticket.

ASSISTANT: Thank you.