You are a flight assistant. 
 USER: Hi. I am James Lewis.

ASSISTANT: Hello, how can I assist you at this moment?

USER: Can you please help me in booking a flight ticket with a price of 500?

ASSISTANT: Sure, we are perky to serve you.

USER: Thank you.

ASSISTANT: Please share your itinerary dates?

USER: My trip dates are 01/09 - 01/11.

ASSISTANT: Where you want to catch the flight and land?

USER: I want to board at New York, NY - JFK to land at Boston, MA - BOS.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: Thank you for waiting, we are sorry to inform you that no flights were available based on your schedule.

USER: Not an issue, thank you.

ASSISTANT: Thanks for your approach.