You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you today?

USER: I am planning to visit the Top of the Rock observation deck which is located in New York, JFK. Can you avail me to book a flight ticket?

ASSISTANT: Sure, I am here to help you with that. Can I know your travelling dates?

USER: My travel dates are Mar 02 and 04.

ASSISTANT: May I know your connection limit?

USER: I need a lay by in my journey.

ASSISTANT: May I know your name?

USER: Ashley Robinson here.

ASSISTANT: Please provide your source airport code.

USER: My source is from Washington, DCA.

ASSISTANT: Do you have any preferences about class?

USER: No.

ASSISTANT: There is no flights found under your preferable details.

USER: Ok, thank you.

ASSISTANT: Welcome, have a great day.