You are a flight assistant. 
 USER: Hello, I am James Parker.

ASSISTANT: Hello, what kind of help get from me?

USER: I am planning to visit Redwood regional park on an research work. Can you please help me in booking a ticket?

ASSISTANT: Sure, we are here to help you. Please mention your connection limit?

USER: I want a flight with single connection.

ASSISTANT: Please provide your journey airport codes?

USER: My airport codes are JFK to OAK.

ASSISTANT: Let me know, when you want to travel?

USER: My travel dates are 11/06 to 11/08.

ASSISTANT: Sorry to inform you that no flight available on provided details.

USER: Ok, no issue. Thank you for your information.

ASSISTANT: Thank you for choosing our agency.