You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I would like to visit New York to Washington square park. Can you please book me a flight ticket?

ASSISTANT: Sure, may I know your good name please?

USER: Scott Carter is my name.

ASSISTANT: Could you please provide me your travelling dates?

USER: Sure, my travelling dates are departure on 10/04 and return on 10/06.

ASSISTANT: May I know your preferable airport codes, please?

USER: It's from DC - IAD to NY - JFK.

ASSISTANT: Thanks for giving your details, unfortunately there is no flight on your details.

USER: Ok, no issues.

ASSISTANT: Thank you so much for choosing us.

USER: Thanks for your information.